Critical severity · published Jul 30, 2026
CVE-2026-17749
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…
9.6
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Chrome · Google
151.0.7922.72 before 151.0.7922.72 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-17749
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-17749
Release Notes
https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html
Permissions Required
https://issues.chromium.org/issues/500526602
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