Out-of-bounds write in Apple macOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.4, macOS Big Sur 11.6.6. Mounting a maliciously crafted Samba network share may lead to arbitrary code execution.
Why it matters now
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
- Fix · CNA macOS (Apple) Fixed in 12.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 12.4
36 records Highest priority Priority MEDIUM 7 MEDIUM, 29 LOW
Other records, highest priority first
- TI-2022-10025 Memory corruption in Apple macOSPriority MEDIUM 53
- TI-2022-10024 Integer overflow in Apple Security Update - CatalinaPriority MEDIUM 53
- TI-2022-09964 Apple macOS: An attacker may be able to cause unexpected application termination or…Priority MEDIUM 46
- 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-2022-09998 Out-of-bounds write in Apple Security Update - CatalinaPriority MEDIUM 41
Timeline
- 2026-10-02 Threatist record created from CVE-2022-26723
- 2026-10-03 Alias added: GHSA-7f4c-c55r-hgmf
References
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-2022-26723 · CVE Program
- CVE-2022-26723 · NVD
- FIRST EPSS
- GHSA-7f4c-c55r-hgmf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences