CVE-2026-11684: google chrome Protection Mechanism Failure
CVSS: 3.1v3.1LowAnalyzed
AliasesDEBIAN-CVE-2026-11684CGA-mp8r-jr4h-fh37CGA-wwp6-48rf-f28c
Published 08-06-2026Last modified 09-06-2026
Vulnerability summary
CVE-2026-11684 is a low (CVSS 3.1) Protection Mechanism Failure vulnerability in google chrome. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.4% of scored vulnerabilities.
CVSS score
3.1/10
010
Low · v3.1 (CVE.org)EPSS score
0.17%
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 3 · Related 4Timeline
- 08-06-2026PublishedVulnerability first disclosed.
- 09-06-2026Last modifiedVulnerability information updated.
Description
Insufficient policy enforcement in Network in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the utility process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionLow 3.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:NSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated3.1LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
- NVDNIST3.1LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
-0.01 pp
From 0.17% on 22-09-2026
22-09-202622-10-2026
EPSS score0.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- chromium< 149.0.7827.102-r0
Debian1 product
- chromium< 149.0.7827.102-1~deb12u1 | < 149.0.7827.102-1~deb13u1 | < 149.0.7827.102-1
Google1 product
- chrome≥ 149.0.7827.103, < 149.0.7827.103 | < 149.0.7827.103
Wolfi1 product
- chromium< 149.0.7827.102-r0
4 vendors · 4 products
References
3 links- issues.chromium.org/issues/517130229Permissions Required