CVE-2026-88807

8.9 highEPSS 0.3%

High (8.9). EPSS 0.3% chance of exploitation in the next 30 days.

A heap overflow in libXrender before 0.9.13 in RenderQueryPictFormats could be used by malicious X servers to inject code into attached X clients.

Severity

8.9 high

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
CWE: CWE-122
Published: 2026-09-21
Modified: 2026-09-22
Record from: the NVD, synced 2026-10-19