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CVE-2026-91713 is a medium-severity missing-authorization vulnerability in the Google Chrome Browser component before version 153.0.8010.47. An attacker that has already compromised a Chrome renderer process can use crafted HTML content to spoof browser UI elements, causing untrusted page content to appear as trusted browser-originated interface elements.
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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.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Medium-severity missing-authorization vulnerability in Chrome Browser.
A Medium-severity missing-authorization vulnerability in Chrome Browser.
A medium-severity missing-authorization vulnerability in Google Chrome's Browser component. An attacker that has already compromised the renderer process can use a crafted HTML page to spoof browser UI elements.
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.