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CVE-2026-16372

HighCVSS 8.8/10Last modified Oct 24, 2026

Description

Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Mozilla	Firefox	—
Mozilla	Thunderbird	—

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2013800Exploit, Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2026-68/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-71/Vendor Advisory

Timeline

Published: Jul 21, 2026
Last modified: Oct 24, 2026
NVD status: Modified

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