CVE-2026-74947

HighCVSS 8.8

Published: 18/08/2026(UTC)Updated: 21/08/2026(UTC)Translated: 19/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.24%

16th percentile - higher than 16% of all known CVEs

Summary

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Risk Assessment

An attacker may exploit the vulnerability to escalate privileges, potentially leading to arbitrary code execution or browser crash.

Recommendation

Update Firefox or Thunderbird to a patched version.

Original NVD description (English source)

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.