Vulnerability-Lookup

GHSA-J5X8-2R52-C3FF

Vulnerability from github – Published: 2026-02-12 00:31 – Updated: 2026-02-12 21:31

Details

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. 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 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.

Severity ?

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-20700"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-11T23:16:10Z",
    "severity": "HIGH"
  },
  "details": "A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. 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 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.",
  "id": "GHSA-j5x8-2r52-c3ff",
  "modified": "2026-02-12T21:31:26Z",
  "published": "2026-02-12T00:31:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20700"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/en-us/126346"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/en-us/126348"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/en-us/126351"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/en-us/126352"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/en-us/126353"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-20700 (GCVE-0-2026-20700)

Vulnerability from cvelistv5 – Published: 2026-02-11 22:58 – Updated: 2026-02-13 04:56

Summary

Severity ?

7.8 (High)


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

CWE

An attacker with memory write capability may be able to execute arbitrary code. 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 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.

Assigner

apple

References

URL

Tags

	https://support.apple.com/en-us/126348
	https://support.apple.com/en-us/126352
	https://support.apple.com/en-us/126353
	https://support.apple.com/en-us/126346
	https://support.apple.com/en-us/126351

Impacted products

Vendor

Product

Version

Apple

macOS

Affected: unspecified , < 26.3 (custom)

Apple	watchOS	Affected: unspecified , < 26.3 (custom)
Apple	visionOS	Affected: unspecified , < 26.3 (custom)
Apple	iOS and iPadOS	Affected: unspecified , < 26.3 (custom)
Apple	tvOS	Affected: unspecified , < 26.3 (custom)

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-20700",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-11T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2026-02-12",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-119",
                "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-13T04:56:28.462Z",
          "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-2026-20700"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2026-02-12T00:00:00+00:00",
            "value": "CVE-2026-20700 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
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          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.3",
              "status": "affected",
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        },
        {
          "product": "watchOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "visionOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "iOS and iPadOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "tvOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. 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 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "An attacker with memory write capability may be able to execute arbitrary code. 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 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-11T22:58:54.448Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "url": "https://support.apple.com/en-us/126348"
        },
        {
          "url": "https://support.apple.com/en-us/126352"
        },
        {
          "url": "https://support.apple.com/en-us/126353"
        },
        {
          "url": "https://support.apple.com/en-us/126346"
        },
        {
          "url": "https://support.apple.com/en-us/126351"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2026-20700",
    "datePublished": "2026-02-11T22:58:54.448Z",
    "dateReserved": "2025-11-11T14:43:07.877Z",
    "dateUpdated": "2026-02-13T04:56:28.462Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-J5X8-2R52-C3FF

CVE-2026-20700 (GCVE-0-2026-20700)

Tags

Sightings

Nomenclature