Vulnerability-Lookup

CNVD-2026-20426

Vulnerability from cnvd - Published: 2026-05-18

Title

Apple iOS and iPadOS验证问题漏洞

Description

Apple iOS and iPadOS是一款移动操作系统，主要用于iPhone和iPad设备，提供用户界面和应用生态支持。 Apple iOS and iPadOS存在验证问题漏洞。该漏洞的产生源于未能正确检查特定输入，攻击者可利用该漏洞通过处理恶意制作的网页内容阻止内容安全策略的执行。

Severity

高

Patch Name

Apple iOS and iPadOS验证问题漏洞的补丁

Patch Description

Apple iOS and iPadOS是一款移动操作系统，主要用于iPhone和iPad设备，提供用户界面和应用生态支持。 Apple iOS and iPadOS存在验证问题漏洞。该漏洞的产生源于未能正确检查特定输入，攻击者可利用该漏洞通过处理恶意制作的网页内容阻止内容安全策略的执行。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://support.apple.com/en-us/127110

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-43660

Impacted products

Name
['Apple tvOS <26.5', 'Apple visionOS <26.5', 'Apple watchOS <26.5', 'Apple iPadOS\u200c <18.7.9', 'Apple iPadOS\u200c >=26.0，<26.5', 'Apple iPhone OS <18.7.9', 'Apple iPhone OS >=26.0，<26.5', 'Apple MacOS >=26.0，<26.5']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-43660",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-43660"
    }
  },
  "description": "Apple iOS and iPadOS\u662f\u4e00\u6b3e\u79fb\u52a8\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e3b\u8981\u7528\u4e8eiPhone\u548ciPad\u8bbe\u5907\uff0c\u63d0\u4f9b\u7528\u6237\u754c\u9762\u548c\u5e94\u7528\u751f\u6001\u652f\u6301\u3002\n\nApple iOS and iPadOS\u5b58\u5728\u9a8c\u8bc1\u95ee\u9898\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u7684\u4ea7\u751f\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u7279\u5b9a\u8f93\u5165\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5904\u7406\u6076\u610f\u5236\u4f5c\u7684\u7f51\u9875\u5185\u5bb9\u963b\u6b62\u5185\u5bb9\u5b89\u5168\u7b56\u7565\u7684\u6267\u884c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://support.apple.com/en-us/127110",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-20426",
  "openTime": "2026-05-18",
  "patchDescription": "Apple iOS and iPadOS\u662f\u4e00\u6b3e\u79fb\u52a8\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e3b\u8981\u7528\u4e8eiPhone\u548ciPad\u8bbe\u5907\uff0c\u63d0\u4f9b\u7528\u6237\u754c\u9762\u548c\u5e94\u7528\u751f\u6001\u652f\u6301\u3002\r\n\r\nApple iOS and iPadOS\u5b58\u5728\u9a8c\u8bc1\u95ee\u9898\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u7684\u4ea7\u751f\u6e90\u4e8e\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u7279\u5b9a\u8f93\u5165\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5904\u7406\u6076\u610f\u5236\u4f5c\u7684\u7f51\u9875\u5185\u5bb9\u963b\u6b62\u5185\u5bb9\u5b89\u5168\u7b56\u7565\u7684\u6267\u884c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Apple iOS and iPadOS\u9a8c\u8bc1\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Apple tvOS \u003c26.5",
      "Apple visionOS \u003c26.5",
      "Apple watchOS \u003c26.5",
      "Apple iPadOS\u200c \u003c18.7.9",
      "Apple iPadOS\u200c \u003e=26.0\uff0c\u003c26.5",
      "Apple iPhone OS \u003c18.7.9",
      "Apple iPhone OS \u003e=26.0\uff0c\u003c26.5",
      "Apple MacOS \u003e=26.0\uff0c\u003c26.5"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-43660",
  "serverity": "\u9ad8",
  "submitTime": "2026-05-12",
  "title": "Apple iOS and iPadOS\u9a8c\u8bc1\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2026-43660 (GCVE-0-2026-43660)

Vulnerability from cvelistv5 – Published: 2026-05-11 20:07 – Updated: 2026-05-13 19:58

Summary

A validation issue was addressed with improved logic. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-12 13:18 UTC

CWE

Processing maliciously crafted web content may prevent Content Security Policy from being enforced
CWE-693 - Protection Mechanism Failure

Assigner

apple mitre root

References

7 references

URL	Tags
https://support.apple.com/en-us/127110
https://support.apple.com/en-us/127111
https://support.apple.com/en-us/127115
https://support.apple.com/en-us/127118
https://support.apple.com/en-us/127119
https://support.apple.com/en-us/127120
https://support.apple.com/en-us/127121

Impacted products

6 products

Vendor	Product	Version
Apple	Safari	Affected: 0 , < 26.5 (custom)
Apple	iOS and iPadOS	Affected: 0 , < 18.7.9 (custom) Affected: 0 , < 26.5 (custom)
Apple	macOS	Affected: 0 , < 26.5 (custom)
Apple	tvOS	Affected: 0 , < 26.5 (custom)
Apple	visionOS	Affected: 0 , < 26.5 (custom)
Apple	watchOS	Affected: 0 , < 26.5 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-43660",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-12T13:18:46.236433Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-693",
                "description": "CWE-693 Protection Mechanism Failure",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-12T13:18:50.867Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Safari",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.5",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "iOS and iPadOS",
          "vendor": "Apple",
          "versions": [
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        },
        {
          "product": "macOS",
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              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "tvOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.5",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "visionOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.5",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "watchOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.5",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A validation issue was addressed with improved logic. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may prevent Content Security Policy from being enforced."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Processing maliciously crafted web content may prevent Content Security Policy from being enforced",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-13T19:58:49.368Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "url": "https://support.apple.com/en-us/127110"
        },
        {
          "url": "https://support.apple.com/en-us/127111"
        },
        {
          "url": "https://support.apple.com/en-us/127115"
        },
        {
          "url": "https://support.apple.com/en-us/127118"
        },
        {
          "url": "https://support.apple.com/en-us/127119"
        },
        {
          "url": "https://support.apple.com/en-us/127120"
        },
        {
          "url": "https://support.apple.com/en-us/127121"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2026-43660",
    "datePublished": "2026-05-11T20:07:54.438Z",
    "dateReserved": "2026-05-01T22:46:21.639Z",
    "dateUpdated": "2026-05-13T19:58:49.368Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.