CVE-2026-20620 (GCVE-0-2026-20620)

Vulnerability from cvelistv5 – Published: 2026-02-11 22:58 – Updated: 2026-04-02 18:13
VLAI?
Summary
An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.
Severity ?
7.7 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE
  • An attacker may be able to cause unexpected system termination or read kernel memory
Assigner
References
Impacted products
Vendor Product Version
Apple macOS Affected: 0 , < 14.8.4 (custom)
Affected: 0 , < 15.7.4 (custom)
Affected: 0 , < 26.3 (custom)
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Sightings

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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.
  • 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.



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