Path handling flaw in Apple macOS lets Screen Sharing peers create symlinks
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-59 and the CVSS impact.
Summary
A path handling flaw in Apple macOS lets a malicious Screen Sharing peer create arbitrary symbolic links as root. The flaw is an improper link resolution issue (CWE-59) that lets a remote peer with low privileges affect files the system then accesses. The affected range is from 0 before 15.8.2 for macOS Sequoia, from 0 before 26.7.2 for macOS Tahoe, and from 0 before 27.2 for macOS Golden Gate.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
Description from the CNA
A path handling issue was addressed with improved logic. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A malicious Screen Sharing peer may be able to create arbitrary symlinks as root.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Apple fixed the flaw in macOS Golden Gate 27.2, macOS Sequoia 15.8.2 and macOS Tahoe 26.7.2. Install the update that matches your macOS release.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
- Fix · CNA macOS (Apple) Fixed in 15.8.2, 26.7.2, 27.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 15.8.2, 26.7.2, 27.2
166 records Highest priority Priority MEDIUM 29 MEDIUM, 137 LOW
Other records, highest priority first
- TI-2026-80879 Apple iOS, macOS and visionOS flaw allows WebContent sandbox escapePriority MEDIUM 51
- TI-2026-80811 Out-of-bounds write in Apple macOS allows system terminationPriority MEDIUM 50
- TI-2026-80633 Buffer overflow in Apple macOS allows remote app crashesPriority MEDIUM 50
Timeline
- 2026-10-26 Threatist record created from CVE-2026-112511
- 2026-10-27 Alias added: GHSA-8rm3-p2f8-564x
- 2026-11-03 CVSS score added · CISA ADP
- 2026-11-03 Weakness changed · CISA ADP
- 2026-11-03 CISA SSVC decision points changed
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-2026-112511 · CVE Program
- CVE-2026-112511 · NVD
- FIRST EPSS
- GHSA-8rm3-p2f8-564x · GitHub Advisory Database · CC BY 4.0
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