CVEvulnerability
CVE-2026-100775
9.6 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-09-29
- Last modified
- 2026-10-06
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.6 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-693
Description
Sandbox escape in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
Affected configurations
• mozilla firefox (>= 115.0.1 < 115.42.0)
• mozilla firefox (>= 140.0.0 < 140.17.0)
• mozilla firefox (>= 153.0.0 < 153.4.0)
• mozilla firefox (>= 154.0.0 < 157.0.0)
• mozilla thunderbird (>= 140.0 < 140.17.0)
• mozilla thunderbird (>= 153.0 < 153.4.0)
• mozilla thunderbird (>= 154.0 < 157.0)
Related
Weakness · CWE (1)
- CWE-693 Protection Mechanism Failure weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2068367 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-100/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-101/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-102/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-103/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-97/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-98/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-99/ Vendor Advisory