๐Ÿ” CVE Alert

CVE-2026-74955

HIGH 8.8

Privilege escalation in the Request Handling component

CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th

Privilege escalation in the Request Handling component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.

Vendor mozilla
Product firefox
Ecosystems
Industries
Technology
Published Aug 18, 2026
Last Updated Aug 18, 2026
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Affected Versions

Mozilla / Firefox
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2029265 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-74/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-77/

Credits

jmwebdevelopement