CVE-2026-86958

high

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code.

References

https://support.apple.com/en-us/149523

https://support.apple.com/en-us/149522

https://support.apple.com/en-us/149035

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-110154

Details

Source: Mitre, NVD

Published: 2026-10-26

Updated: 2026-10-27

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.4

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.0031