CVE-2026-52491: An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the libtiff/tools/thumbnail.c: main() component

Overview

Severity

Critical (CVSS 9.4)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-29

EPSS Score

0.14% (percentile: 3.7%)

Affected Products (1)

Other

• 21762-17084

Revision History

• 2026-08-29: Information published.