High severity8.8NVD Advisory· Published Sep 15, 2026· Updated Sep 17, 2026
CVE-2026-91721
CVE-2026-91721
Description
Use after free in Internals in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Affected products
5- osv-coords2 versionspkg:rpm/opensuse/chromium&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/chromium&distro=openSUSE%20Tumbleweed
< 153.0.8010.47-bp160.1.1+ 1 more
- (no CPE)range: < 153.0.8010.47-bp160.1.1
- (no CPE)range: < 153.0.8010.47-1.1
Patches
Vulnerability mechanics
References
2- chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.htmlnvdRelease NotesVendor Advisory
- issues.chromium.org/issues/557320614nvdPermissions Required
News mentions
4- ⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser HijacksThe Hacker News · Sep 21, 2026
- Chrome, Firefox Updates Patch 115 VulnerabilitiesSecurityWeek · Sep 16, 2026
- Google Chrome 153 Update Fixes 42 Security Flaws, Including 3 Critical OnesCyber Security News · Sep 16, 2026
- Google Chrome: 25 Vulnerabilities Including Critical Flaws Disclosed TogetherVypr Intelligence · Sep 15, 2026