CVE-2026-64560: posix-cpu-timers: Prevent UAF caused by non-leader exec() race

Overview

Severity

High (CVSS 7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-08-07

Last Updated

2026-08-09

EPSS Score

0.42% (percentile: 35.5%)

Detection & Weaponization (1 sources)

Maturity: Exploit

• GitHub PoC: 3 repositories

Affected Products (1)

Other

• 21626-17084

Revision History

• 2026-08-07: Information published.
• 2026-08-09: Information published.