VulnerabilityModified
CVE-2026-20677
A race condition was addressed with improved handling of symbolic links.
CRITICAL 9.0EPSS 0.29%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.0 CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.29% probability · 21th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362, CWE-367
- Affected
- apple/ipados · apple/iphone os · apple/macos · apple/visionos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/126346Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126347Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126348Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126349
- https://support.apple.com/en-us/126350Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126353Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.