Out-of-bounds write in Apple macOS
Priority LOW 26CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.6.6. A malicious application may disclose restricted memory.
Why it matters now
EPSS 0.00636 50th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 11.6
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA macOS (Apple) Fixed in 11.6
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 11.6
28 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2022-06936 Out-of-bounds read in Apple macOSPriority HIGH 82
- TI-2022-10025 Memory corruption in Apple macOSPriority MEDIUM 53
- TI-2022-09978 Out-of-bounds write in Apple macOSPriority MEDIUM 45
Timeline
- 2026-10-02 Threatist record created from CVE-2022-26745
- 2026-10-03 Alias added: GHSA-xhx5-q73w-h3cj
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
Advisory 1
More Apple Macos vulnerabilities
- TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2022-26745 · CVE Program
- CVE-2022-26745 · NVD
- FIRST EPSS
- GHSA-xhx5-q73w-h3cj · GitHub Advisory Database · CC BY 4.0
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