FKIE_CVE-2026-20699

Vulnerability from fkie_nvd - Published: 2026-03-25 01:17 - Updated: 2026-03-25 18:27
Severity ?
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.
References
product-security@apple.comhttps://support.apple.com/en-us/126348Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126794Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126795Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126796Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
apple macos *
apple macos *
apple macos *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D66288AF-23BD-407A-81F5-F1DFBF84C622",
              "versionEndExcluding": "14.8.5",
              "versionStartIncluding": "14.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DD21D2C9-BBEC-4E8E-B8D2-C92B7E6155E1",
              "versionEndExcluding": "15.7.5",
              "versionStartIncluding": "15.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0488A377-7971-4703-8823-05BF1E23CF48",
              "versionEndExcluding": "26.3",
              "versionStartIncluding": "26.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data."
    }
  ],
  "id": "CVE-2026-20699",
  "lastModified": "2026-03-25T18:27:09.003",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-25T01:17:06.650",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/126348"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/126794"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/126795"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/126796"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • 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.
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  • 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.