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CVE-2026-100758 is a sandbox-escape vulnerability in Mozilla Firefox's DOM Navigation component. Firefox 157 and Firefox ESR 153.4, 115.42, and 140.17 include fixes for the issue.
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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 critical, network-exploitable vulnerability tracked as CVE-2026-100758 affecting identified Debian Linux releases and associated with the firefox-esr package CPE. The supplied plugin identifies it as unpatched.
A sandbox-escape vulnerability in Firefox's DOM Navigation component.
A vulnerability addressed by a Slackware Mozilla Firefox package update; no technical vulnerability details are provided.
A sandbox-escape vulnerability in Mozilla's DOM Navigation component.
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.