CVE-2026-19166: google chrome Use After Free
CVSS: 9.6v3.1CriticalAnalyzed
AliasesDEBIAN-CVE-2026-19166CGA-26qv-mx3p-7qvrCGA-2gxp-h322-8cm9CGA-4449-2vp5-jfg7CGA-c3xm-2xp6-x74cCGA-h9mq-pm9x-xxh2CGA-jxgp-gchh-4mfw
Published 06-08-2026Last modified 08-08-2026
Vulnerability summary
CVE-2026-19166 is a critical (CVSS 9.6) Use After Free vulnerability in google chrome. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 32.2% of scored vulnerabilities.
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)EPSS score
0.39%
0%100%
Low · -0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 3Timeline
- 06-08-2026PublishedVulnerability first disclosed.
- 08-08-2026Last modifiedVulnerability information updated.
Description
Use after free in Web Authentication in Google Chrome prior to 151.0.7922.109 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- NVDNIST9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
-0.03 pp
From 0.42% on 21-09-2026
21-09-202621-10-2026
EPSS score0.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard3 products
- chromium< 151.0.7922.108-r0
- chromium-docker-selenium-compat< 151.0.7922.108-r0
- chromium-lang< 151.0.7922.108-r0
Wolfi3 products
- chromium< 151.0.7922.108-r0
- chromium-docker-selenium-compat< 151.0.7922.108-r0
- chromium-lang< 151.0.7922.108-r0
Debian1 product
- chromium< 151.0.7922.108-1~deb12u1 | < 151.0.7922.108-1~deb13u1 | < 151.0.7922.108-1
Google1 product
- chrome≥ 151.0.7922.109, < 151.0.7922.109 | < 151.0.7922.109
4 vendors · 8 products
References
3 links- chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/536584251Permissions Required