CVE-2026-17749
Medium
Elevated severity or exploit probability.
CVSS base
9.6
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.3%
22.2th percentile
CISA KEV
Not listed
Weakness / dates
CWE-20
Published 2026-07-30 · modified 2026-08-10
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | C | Changed |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-07-30 — Published (NVD)
- 2026-08-10 — Last modified (NVD)
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)