Common Weakness Enumeration

CWE-843

Allowed

Access of Resource Using Incompatible Type ('Type Confusion')

Abstraction: Base · Status: Incomplete

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

1123 vulnerabilities reference this CWE, most recent first.

CVE-2026-21519 (GCVE-0-2026-21519)

Vulnerability from cvelistv5 – Published: 2026-02-10 17:51 – Updated: 2026-08-19 16:25
VLAI
Title
Desktop Window Manager Elevation of Privilege Vulnerability
Summary
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 04:55 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.8868 (custom)
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Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.8389 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.6937 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.6937 (custom)
Create a notification for this product.
Microsoft Windows 11 version 22H3 Affected: 10.0.22631.0 , < 10.0.22631.6649 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.6649 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.7840 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.7840 (custom)
Create a notification for this product.
Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.1575 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.1575 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.8868 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.8868 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.8389 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.8389 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.4773 (custom)
Create a notification for this product.
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.2149 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.32370 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.32370 (custom)
Create a notification for this product.
Date Public
2026-02-10 16:00
Show details on NVD website

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CVE-2026-21505 (GCVE-0-2026-21505)

Vulnerability from cvelistv5 – Published: 2026-01-07 17:10 – Updated: 2026-01-08 19:18
VLAI
Title
iccDEV has Undefined Behavior (UB) - Invalid Enum Value
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV has undefined behavior due to an invalid enum value. This issue has been patched in version 2.3.1.2.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-08 19:18 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Show details on NVD website

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CVE-2026-21493 (GCVE-0-2026-21493)

Vulnerability from cvelistv5 – Published: 2026-01-06 14:11 – Updated: 2026-01-06 14:33
VLAI
Title
iccDEV has Type Confusion during XML Curve Serialization
Summary
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are vulnerable to Type Confusion in its CIccSingleSampledeCurveXml class during XML Curve Serialization. This issue is fixed in version 2.3.1.2.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-06 14:32 UTC
CWE
  • CWE-188 - Reliance on Data/Memory Layout
  • CWE-703 - Improper Check or Handling of Exceptional Conditions
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Show details on NVD website

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CVE-2026-21330 (GCVE-0-2026-21330)

Vulnerability from cvelistv5 – Published: 2026-02-10 17:52 – Updated: 2026-08-27 22:02
VLAI
Title
After Effects | Access of Resource Using Incompatible Type ('Type Confusion') (CWE-843)
Summary
After Effects versions 25.6 and earlier are affected by an Access of Resource Using Incompatible Type ('Type Confusion') vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 04:56 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion') (CWE-843)
References
Impacted products
Vendor Product Version
Adobe After Effects Affected: 0 , ≤ 25.6 (semver)
Unaffected: 25.6.4 (semver)
Unaffected: 26.0 (semver)
Create a notification for this product.
Date Public
2026-02-10 17:00
Show details on NVD website

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CVE-2026-20860 (GCVE-0-2026-20860)

Vulnerability from cvelistv5 – Published: 2026-01-13 17:56 – Updated: 2026-07-30 20:46
VLAI
Title
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Summary
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 04:56 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.8783 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.8276 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.6809 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.6809 (custom)
Create a notification for this product.
Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.6491 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.6491 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.7623 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.7623 (custom)
Create a notification for this product.
Microsoft Windows Server 2008 R2 Service Pack 1 Affected: 6.1.7601.0 , < 6.1.7601.28117 (custom)
Create a notification for this product.
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Affected: 6.1.7601.0 , < 6.1.7601.28117 (custom)
Create a notification for this product.
Microsoft Windows Server 2008 Service Pack 2 Affected: 6.0.6003.0 , < 6.0.6003.23717 (custom)
Create a notification for this product.
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) Affected: 6.0.6003.0 , < 6.0.6003.23717 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 Affected: 6.2.9200.0 , < 6.2.9200.25868 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.9200.0 , < 6.2.9200.25868 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 R2 Affected: 6.3.9600.0 , < 6.3.9600.22968 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.9600.0 , < 6.3.9600.22968 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.8783 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.8783 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.8276 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.8276 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.4648 (custom)
Create a notification for this product.
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.2092 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)
Create a notification for this product.
Date Public
2026-01-13 16:00
Show details on NVD website

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CVE-2026-20811 (GCVE-0-2026-20811)

Vulnerability from cvelistv5 – Published: 2026-01-13 17:56 – Updated: 2026-07-30 20:46
VLAI
Title
Win32k Elevation of Privilege Vulnerability
Summary
Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 04:55 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
  • CWE-822 - Untrusted Pointer Dereference
References
Impacted products
Vendor Product Version
Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.6491 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.6491 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.7623 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.7623 (custom)
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Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.4648 (custom)
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Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.2092 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)
Create a notification for this product.
Date Public
2026-01-13 16:00
Show details on NVD website

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CVE-2026-20806 (GCVE-0-2026-20806)

Vulnerability from cvelistv5 – Published: 2026-04-14 16:57 – Updated: 2026-08-14 16:30
VLAI
Title
Windows COM Server Information Disclosure Vulnerability
Summary
Access of resource using incompatible type ('type confusion') in Windows COM allows an authorized attacker to disclose information locally.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-14 19:29 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.8644 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7184 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7184 (custom)
Create a notification for this product.
Microsoft Windows 11 version 22H3 Affected: 10.0.22631.0 , < 10.0.22631.6936 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.6936 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.8246 (custom)
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Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.8246 (custom)
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Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.1836 (custom)
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Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.8644 (custom)
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Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.8644 (custom)
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Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5020 (custom)
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Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.2274 (custom)
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Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.32690 (custom)
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Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.32690 (custom)
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Date Public
2026-04-14 14:00
Show details on NVD website

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CVE-2026-20451 (GCVE-0-2026-20451)

Vulnerability from cvelistv5 – Published: 2026-05-04 05:42 – Updated: 2026-05-05 03:56
VLAI
Summary
In slbc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10828685; Issue ID: MSV-6504.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 00:00 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Impacted products
Vendor Product Version
MediaTek, Inc. MediaTek chipset Affected: MT2718
Affected: MT6899
Affected: MT6985
Affected: MT6989
Affected: MT6991
Affected: MT8115
Affected: MT8186
Affected: MT8188
Affected: MT8196
Affected: MT8365
Affected: MT8367
Affected: MT8370
Affected: MT8371
Affected: MT8390
Affected: MT8391
Affected: MT8395
Affected: MT8676
Affected: MT8678
Affected: MT8766
Affected: MT8768
Affected: MT8775
Affected: MT8781
Affected: MT8786
Affected: MT8788E
Affected: MT8791T
Affected: MT8792
Affected: MT8793
Affected: MT8796
Affected: MT8873
Affected: MT8883
Affected: MT8893
Affected: MT8910
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Show details on NVD website

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CVE-2026-19315 (GCVE-0-2026-19315)

Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-08-29 03:55
VLAI
Title
Fireware OS Pre-Authentication Type Confusion in iked Allows Remote Code Execution
Summary
A type confusion vulnerability in the iked process of WatchGuard Fireware OS allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
References
Impacted products
Vendor Product Version
WatchGuard Fireware OS Affected: 2025.0 , < 2026.2.2 (custom)
Affected: 12.0 , < 12.12.2 (custom)
Create a notification for this product.
WatchGuard Fireware OS Affected: 12.0 , < 12.5.20 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-18701 (GCVE-0-2026-18701)

Vulnerability from cvelistv5 – Published: 2026-08-11 18:39 – Updated: 2026-08-11 20:24
VLAI
Title
Type Confusion in MongoDB Query Subsystem Leads to Denial of Service
Summary
An issue in MongoDB Server's query subsystem could allow an authenticated user with read privileges to cause the server process to terminate unexpectedly by submitting a specially formed query filter. This could result in a denial of service.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 20:24 UTC
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
References
Impacted products
Vendor Product Version
MongoDB MongoDB Server Affected: 8.3.0 , < 8.3.8 (semver)
Affected: 8.0 , < 8.0.29 (semver)
Affected: 7.0 , < 7.0.40 (semver)
Create a notification for this product.
Show details on NVD website

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No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.