CVE-2026-17749: google chrome Improper Input Validation
CVSS: 9.6v3.1CriticalAnalyzed
AliasesDEBIAN-CVE-2026-17749CGA-4qxh-7c35-3fqqCGA-5xq9-mj4f-6c7fCGA-m6rm-72mr-jqccCGA-p445-fg5q-chprCGA-w3mh-rgx8-9gh3CGA-wwvv-724x-r8g5
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.
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)EPSS score
0.26%
0%100%
Low · -0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 3Timeline
- 30-07-2026PublishedVulnerability first disclosed.
- 03-08-2026Last 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 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
0.26%
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 score0.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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- chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/500526602Permissions Required