November 13, 2026 Follow Egret
CVE-2025-24201 · CVE record: PUBLISHED

Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability

Apple Safari, Apple iOS and iPadOS, Apple iPadOS, Apple macOS, Apple visionOS, Apple watchOS

An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6, macOS Sequoia 15.3.2, visionOS 2.3.2, watchOS 11.4. Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.).

Exploitation evidence

Known exploited · CISA KEV listed

Added 2025-03-13. Ransomware campaign use: Unknown.

CISA 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.

CISA due date: 2025-04-03. This is the catalog’s deadline, not an assessment of your organization’s exposure.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

Apple / Safari

Default status: Not specified

  • affected: 0 to < 18.3.1 (custom)

Apple / iOS and iPadOS

Default status: Not specified

  • affected: 0 to < 15.8.4 (custom)
  • affected: 0 to < 16.7.11 (custom)
  • affected: 0 to < 18.3.2 (custom)

Apple / iPadOS

Default status: Not specified

  • affected: 0 to < 17.7.6 (custom)

Apple / macOS

Default status: Not specified

  • affected: 0 to < 15.3.2 (custom)

Apple / visionOS

Default status: Not specified

  • affected: 0 to < 2.3.2 (custom)

Apple / watchOS

Default status: Not specified

  • affected: 0 to < 11.4 (custom)

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.03847,
  "percentile": 0.90287
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.03847,
  "percentile": 0.90226
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.03847,
  "percentile": 0.90214
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.03847,
  "percentile": 0.90209
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.03847,
  "percentile": 0.90201
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.03847,
  "percentile": 0.90183
}
06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.03847,
  "percentile": 0.90173
}
04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.03847,
  "percentile": 0.90165
}
03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.03847,
  "percentile": 0.90149
}
03 Nov 2026, 18:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 10,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-24201",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-12T14:31:38.579620Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2025-03-13",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24201"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-12T14:34:01.244Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24201"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-13T19:45:58.488Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://seclists.org/fulldisclosure/2025/Mar/2"
          },
          {
            "url": "http://seclists.org/fulldisclosure/2025/Mar/3"
          },
          {
            "url": "http://seclists.org/fulldisclosure/2025/Mar/4"
          },
          {
            "url": "http://seclists.org/fulldisclosure/2025/Mar/5"
          },
          {
            "url": "http://seclists.org/fulldisclosure/2025/Apr/16"
          },
          {
            "url": "http://seclists.org/fulldisclosure/2025/Oct/31"
          },
          {
            "url": "http://seclists.org/fulldisclosure/2025/Oct/1"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00016.html"
          },
          {
            "url": "http://seclists.org/fulldisclosure/2025/Jun/19"
          },
          {
            "url": "http://seclists.org/fulldisclosure/2025/Apr/7"
          },
          {
            "url": "https://github.com/JGoyd/Glass-Cage-iOS18-CVE-2025-24085-CVE-2025-24201"
          },
          {
            "url": "https://github.com/cisagov/vulnrichment/issues/194"
          }
        ],
        "title": "CVE Program Container",
        "x_generator": {
          "engine": "ADPogram 0.0.1"
        }
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Safari",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "18.3.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "iOS and iPadOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "15.8.4",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "16.7.11",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "18.3.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "iPadOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "17.7.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "15.3.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "visionOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "2.3.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "watchOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "11.4",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6, macOS Sequoia 15.3.2, visionOS 2.3.2, watchOS 11.4. Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.)",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-02T18:10:13.716Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "url": "https://support.apple.com/en-us/122281"
        },
        {
          "url": "https://support.apple.com/en-us/122283"
        },
        {
          "url": "https://support.apple.com/en-us/122284"
        },
        {
          "url": "https://support.apple.com/en-us/122285"
        },
        {
          "url": "https://support.apple.com/en-us/122345"
        },
        {
          "url": "https://support.apple.com/en-us/122346"
        },
        {
          "url": "https://support.apple.com/en-us/122372"
        },
        {
          "url": "https://support.apple.com/en-us/122376"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2025-24201",
    "datePublished": "2025-03-11T18:07:21.848Z",
    "dateReserved": "2025-01-17T00:00:44.999Z",
    "dateUpdated": "2026-04-02T18:10:13.716Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.03847,
  "percentile": 0.90137
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2025-24201",
  "cwes": [
    "CWE-787"
  ],
  "dateAdded": "2025-03-13",
  "dueDate": "2025-04-03",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://support.apple.com/en-us/122281 ; https://support.apple.com/en-us/122283 ; https://support.apple.com/en-us/122284 ; https://support.apple.com/en-us/122285 ; ; https://nvd.nist.gov/vuln/detail/CVE-2025-24201",
  "product": "Multiple Products",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "shortDescription": "Apple iOS, iPadOS, macOS, and other Apple products contain an out-of-bounds write vulnerability in WebKit that may allow maliciously crafted web content to break out of Web Content sandbox. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.",
  "vendorProject": "Apple",
  "vulnerabilityName": "Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability"
}
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