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CVE-2026-100782 is a privilege-escalation vulnerability caused by incorrect boundary conditions in the Mozilla Firefox Graphics component. Mozilla fixed the issue in Firefox 157, Firefox ESR 153.4, Firefox ESR 115.42, and Firefox ESR 140.17.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A network-accessible vulnerability tracked as CVE-2026-100782, identified by an unpatched-vulnerability plugin for Debian Linux systems and Firefox ESR. The provided CVSS v3 vector indicates low attack complexity, no privileges required, user interaction required, and high confidentiality, integrity, and availability impact.
A privilege-escalation vulnerability caused by incorrect boundary conditions in Firefox's Graphics component.
A vulnerability addressed by a Slackware Mozilla Firefox package update; no technical vulnerability details are provided.
A Mozilla Firefox ESR vulnerability referenced by the plugin; no technical details are provided.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.