4.2

CVE-2026-17659: google chrome Protection Mechanism Failure

Analyzed
AliasesDEBIAN-CVE-2026-17659CGA-567r-4fv4-4pjvCGA-7j52-8f75-h2f9
Published 30-07-2026Last modified 30-07-2026

Vulnerability summary

CVE-2026-17659 is a medium (CVSS 4.2) Protection Mechanism Failure vulnerability in google chrome. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 9.9% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.2/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.21%
0%100%
Low · -0.11 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
OPENSUSE-SU-2026:11434-1OPENSUSE-SU-2026:21514-1CGA-JVC7-MV84-V2G4

Timeline

  1. 30-07-2026
    PublishedVulnerability first disclosed.
  2. 30-07-2026
    Last modifiedVulnerability information updated.

Description

Inappropriate implementation in SiteIsolation in Google Chrome prior to 151.0.7922.72 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

0.21%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

Decrease -0.11 pp

From 0.32% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard3 products
  • chromium< 151.0.7922.75-r0
  • chromium-docker-selenium-compat< 151.0.7922.75-r0
  • chromium-lang< 151.0.7922.75-r0
Wolfi3 products
  • chromium< 151.0.7922.75-r0
  • chromium-docker-selenium-compat< 151.0.7922.75-r0
  • chromium-lang< 151.0.7922.75-r0
Debian1 product
  • chromium< 151.0.7922.71-1~deb12u1 | < 151.0.7922.71-1~deb13u1 | < 151.0.7922.71-1
Google1 product
  • chrome≥ 151.0.7922.72, < 151.0.7922.72 | < 151.0.7922.72

4 vendors · 8 products

References

3 links