Home

Description

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

PUBLISHED Reserved 2026-04-21 | Published 2026-04-21 | Updated 2026-04-24 | Assigner mozilla

Product status

115.35 (rpm)
unaffected

140.10 (rpm)
unaffected

150 (rpm)
unaffected

140.10 (rpm)
unaffected

150 (rpm)
unaffected

Credits

choeseyeong

References

bugzilla.mozilla.org/show_bug.cgi?id=2023407

www.mozilla.org/security/advisories/mfsa2026-30/

www.mozilla.org/security/advisories/mfsa2026-31/

www.mozilla.org/security/advisories/mfsa2026-32/

www.mozilla.org/security/advisories/mfsa2026-33/

www.mozilla.org/security/advisories/mfsa2026-34/

cve.org (CVE-2026-6750)

nvd.nist.gov (CVE-2026-6750)

Download JSON