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8.8 High

CVE-2026-100824 Privilege escalation in the Places component

Description

Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

Affected products and versions

Product Affected versions Fixed in
Firefox 157 earliest → < 157 157
Firefox 153.4 earliest → < 153.4 153.4
Thunderbird 157 earliest → < 157 157
Thunderbird 153.4 earliest → < 153.4 153.4

Other CVEs of Firefox

The 2221 CVEs of Firefox →
CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118026 Invalid pointer in the JavaScript: GC component 8.8 High CVE-2026-118025 Other issue in the SVG component 8.8 High
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