CVE-2026-92010

Summary

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 140.16.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox115.41 <= 115.*unaffected
MozillaFirefox140.16 <= 140.*unaffected
MozillaFirefox153.3 <= 153.*unaffected
MozillaFirefox156 <= *unaffected
MozillaThunderbird140.16 <= 140.*unaffected
MozillaThunderbird156 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References