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CVE-2026-95276 is an improper input validation vulnerability in the Themes component of Google Chrome versions before 154.0.8037.57. A remote attacker who has already compromised the renderer process may exploit the flaw through crafted network traffic to execute arbitrary code inside the Chrome sandbox.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An improper input validation vulnerability in Google Chrome's Themes component allows potential arbitrary code execution inside the sandbox through crafted network traffic, provided the attacker has already compromised the renderer process. The advisory identifies affected Chainguard chromium packages and reports available exploits. Tenable rates the vulnerability High, with a CVSS v3 base score of 8.3; Chromium assigns Medium severity.
A Chromium vulnerability referenced by the Fedora security check; vulnerability-specific technical details are not provided.
A Chromium vulnerability covered by the Fedora advisory; individual flaw details are not provided.
Chromium vulnerability listed in associated Fedora and EPEL bug records; its technical details and individual fix status are not 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.