High severity8.8NVD Advisory· Published May 14, 2026· Updated May 18, 2026
CVE-2026-8509
CVE-2026-8509
Description
Heap buffer overflow in WebML in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Critical)
Affected products
5- osv-coords3 versionspkg:apk/chainguard/chromiumpkg:apk/wolfi/chromiumpkg:rpm/opensuse/chromium&distro=openSUSE%20Tumbleweed
< 148.0.7778.178-r0+ 2 more
- (no CPE)range: < 148.0.7778.178-r0
- (no CPE)range: < 148.0.7778.178-r0
- (no CPE)range: < 148.0.7778.167-2.1
Patches
Vulnerability mechanics
References
2- chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.htmlnvdProductVendor Advisory
- issues.chromium.org/issues/493310462nvdPermissions Required
News mentions
2- ⚡ Weekly Recap: Exchange 0-Day, npm Worm, Fake AI Repo, Cisco Exploit and MoreThe Hacker News · May 18, 2026
- Chrome 148 Update Patches Critical VulnerabilitiesSecurityWeek · May 15, 2026