9.6

CVE-2026-17749: google chrome Improper Input Validation

CVSS: 9.6v3.1CriticalAnalyzed
AliasesDEBIAN-CVE-2026-17749CGA-4qxh-7c35-3fqqCGA-5xq9-mj4f-6c7f
Published 30-07-2026Last modified 03-08-2026

Vulnerability summary

CVE-2026-17749 is a critical (CVSS 9.6) Improper Input Validation vulnerability in google chrome. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · -0.03 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

Timeline

  1. 30-07-2026
    PublishedVulnerability first disclosed.
  2. 03-08-2026
    Last modifiedVulnerability information updated.

Description

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension. (Chromium security severity: Medium)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

-0.03 pp

From 0.29% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.26%

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

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