AI and data stack advisories

Severe, 6 weeks977Projects326

977 severe, 6 weeks · 326 projects

AppleCVE-2026-86940

Apple macOS: information disclosure

Apple

CVE-2026-86940 · Published Oct 20, 2026 · updated Oct 29, 2026

Medium5.5
Fix: upgrade to 27 or later
Apple advisory

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Golden Gate 27. An app may be able to disclose kernel memory.

Affected versions

PackageAffectedFixed in
macOS
Product
< 2727
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-200

More Apple advisories

All Apple
High 7.5Oct 20Apple iOS and iPadOS: improper authorizationCVE-2026-86977fixed in 27Medium 5.5Oct 20Apple macOS: information disclosureCVE-2026-86979fixed in 27Medium 5.5Oct 20Apple macOS: out-of-bounds writeCVE-2026-86981fixed in 15.8 +1Medium 5.5Oct 20Apple iOS and iPadOS: out-of-bounds writeCVE-2026-86944fixed in 26.7 +2High 8.8Oct 20Apple Xcode: untrusted functionality includedCVE-2026-86948fixed in 27High 8.8Oct 20Apple Xcode: untrusted functionality includedCVE-2026-86949fixed in 27