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CVE-2026-20699

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a66b45baaa652ec7f6d5579158c87fe3214b75560b7f7e7de2cac186be6040dd
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"An app may be able to access user-sensitive data","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"14.8.5","status":"affected","version":"0","versionType":"custom"},{"lessThan":"15.7.5","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.4","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"An app may be able to access user-sensitive data","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://support.apple.com/en-us/126348"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/cna/references/0
{"url":"https://support.apple.com/en-us/126794"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/cna/references/1
{"url":"https://support.apple.com/en-us/126795"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/cna/references/2
{"url":"https://support.apple.com/en-us/126796"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a0a00020b05866554e41dbbecda20d65295654d24c3a0d54ebb54c5faef96253 · sha256:9b033bdfd707be1c… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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