Paper/Archive/CVE-2026-20677

CVE-2026-20677

Apple iOS and iPadOS — A race condition was addressed with improved handling of symbolic links.

CVSS 9.0 (ADP, NVD agree)9.0 / 10 × 3027.0 Not in CISA KEV+300.0 EPSS percentile 24.6.246 × 204.9 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

A race condition was addressed with improved handling of symbolic links. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A shortcut may be able to bypass sandbox restrictions.

Affected

ProductAffectedFixed inSource

iOS and iPadOS< 18.7.518.7.5CNA

iOS and iPadOS< 26.326.3CNA

macOS< 14.8.414.8.4CNA

macOS< 15.7.415.7.4CNA

macOS< 26.326.3CNA

visionOS< 26.326.3CNA

Scores by source

CISA ADP9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

NVD9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refsupport.apple.com/en-us/126346 refsupport.apple.com/en-us/126347 refsupport.apple.com/en-us/126348 refsupport.apple.com/en-us/126349 refsupport.apple.com/en-us/126350 refsupport.apple.com/en-us/126353