CVE-2026-91714 is a medium-severity observable-discrepancy vulnerability in the Fonts component of Google Chrome before version 153.0.8010.47. A crafted HTML page can exploit observable differences in font-related behavior to disclose sensitive information from an affected browser instance.
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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 observable-discrepancy vulnerability in Chrome Fonts.
A Medium-severity observable-discrepancy vulnerability in Chrome Fonts.
A medium-severity information-disclosure vulnerability in Google Chrome's Fonts component. A remote attacker could use a crafted HTML page and social engineering to leak sensitive information in Chrome versions before 153.0.8010.47.
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.