CVE-2026-11066: google chrome Improper Input Validation
CVSS: 9.6v3.1CriticalAnalyzed
AliasesDEBIAN-CVE-2026-11066CGA-gpqw-wvph-p73gCGA-v3w8-5254-87wr
Published 04-06-2026Last modified 05-06-2026
Vulnerability summary
CVE-2026-11066 is a critical (CVSS 9.6) Improper Input Validation vulnerability in google chrome. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.6% of scored vulnerabilities.
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)EPSS score
0.27%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 04-06-2026PublishedVulnerability first disclosed.
- 05-06-2026Last modifiedVulnerability information updated.
Description
Insufficient validation of untrusted input in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
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
0.27%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
+0.01 pp
From 0.25% on 19-09-2026
19-09-202619-10-2026
EPSS score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian3 products
- chromium< 149.0.7827.53-1~deb12u1 | < 149.0.7827.53-1~deb13u1 | < 149.0.7827.53-1
- webkit2gtkAll versions (No fix recorded) | < 2.54.0-1~deb13u1
- wpewebkitAll versions (No fix recorded) | < 2.54.0-1
Chainguard1 product
- chromium< 149.0.7827.53-r0
Google1 product
- chrome≥ 149.0.7827.53, < 149.0.7827.53 | < 149.0.7827.53
Wolfi1 product
- chromium< 149.0.7827.53-r0
4 vendors · 6 products
References
3 links- issues.chromium.org/issues/499124128Permissions Required