CVE-2026-11645 (GCVE-0-2026-11645)

Vulnerability from cvelistv5 – Published: 2026-06-08 23:27 – Updated: 2026-06-10 03:58
VLAI CISA KEVIntel
Summary
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • Out of bounds memory access
  • CWE-125 - Out-of-bounds Read
  • CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
Vendor Product Version
Google Chrome Affected: 149.0.7827.103 , < 149.0.7827.103 (custom)
Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: d8a43dac-5d39-4240-8650-498f398d31e0

Vulnerability ID: CVE-2026-11645

Status: Confirmed

Status Updated: 2026-06-09 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-09
Asserted: 2026-06-09
Scope
Notes: KEV entry: Google Chromium V8 Out-of-Bounds Read and Write Vulnerability | Affected: Google / Chromium V8 | Description: Google Chromium V8 out-of-bounds read and write vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-06-23 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html ; https://issues.chromium.org/issues/506689381 ; https://nvd.nist.gov/vuln/detail/CVE-2026-11645
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-787 CWE-125
Feed CISA Known Exploited Vulnerabilities Catalog
Product Chromium V8
Due Date 2026-06-23
Date Added 2026-06-09
Vendorproject Google
Vulnerabilityname Google Chromium V8 Out-of-Bounds Read and Write Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-06-09 19:00 UTC | Updated: 2026-06-09 19:00 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a81998b0-09f6-4d56-890b-4d90525e1c62

Vulnerability ID: CVE-2026-11645

Status: Confirmed

Status Updated: 2026-06-09 13:20 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-09
Asserted: 2026-06-09
Scope
Notes: KEVIntel entry: Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox... | Affected: Google / Chrome | CVSS: 8.8 (HIGH) | EPSS: 0.00713 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox...
Vendor Google
Product Chrome
Added Date 2026-06-09T13:20:17.736Z
Cvss Score 8.8
Epss Score 0.00713
Cvss Severity HIGH
Epss Percentile 0.48759
Used In Malware unknown
Ahead Of Cisa Kev 
{
  "count": 5,
  "unit": "hour"
}
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:02 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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