Loading vulnerability…
CVE-2026-0880 is a high-severity sandbox escape vulnerability in Mozilla’s Graphics component caused by an integer overflow. The issue affects Firefox before 147, Firefox ESR before 115.32 and 140.7, and Thunderbird before 147 and 140.7. Mozilla’s advisory characterizes the flaw as a sandbox escape in the browser graphics processing path; the available supporting content does not identify the exact vulnerable function or code path beyond the Graphics component. The vulnerability is part of a broader cluster of graphics-related flaws highlighted as affecting rendering paths such as WebGL/Canvas, indicating the bug is likely reachable through crafted web content processed by the graphics subsystem.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.