3.1

CVE-2026-7909: google chrome Protection Mechanism Failure

CVSS: 3.1v3.1LowAnalyzed
AliasesDEBIAN-CVE-2026-7909CGA-775j-c4hq-3jwcCGA-g62w-c29m-qjp8
Published 06-05-2026Last modified 06-05-2026
Open JSON

Vulnerability summary

CVE-2026-7909 is a low (CVSS 3.1) Protection Mechanism Failure vulnerability in google chrome. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.1% of scored vulnerabilities.

Overall risk
12/100
0100
Low · default modelHow is this calculated?
CVSS score
3.1/10
010
Low · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
OPENSUSE-SU-2026:10778-1OPENSUSE-SU-2026:20849-1CGA-JR5G-3H9X-P4Q2

Timeline

  1. 06-05-2026
    PublishedVulnerability first disclosed.
  2. 06-05-2026
    Last modifiedVulnerability information updated.

Description

Inappropriate implementation in ServiceWorker in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

+0.04 pp

From 0.19% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard1 product
  • chromium< 148.0.7778.96-r0
Debian1 product
  • chromium< 148.0.7778.96-1~deb12u1 | < 148.0.7778.96-1~deb13u1 | < 148.0.7778.96-1
Google1 product
  • chrome≥ 148.0.7778.96, < 148.0.7778.96 | < 148.0.7778.96
Wolfi1 product
  • chromium< 148.0.7778.96-r0

4 vendors · 4 products

References

3 links