Vulnerability · Published Jul 30, 2026 · Assigned by Chrome
CVE-2026-17888
High 7.1
In plain English
A high-severity improper input validation in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 88.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient validation of untrusted input in WebUI in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via malicious network traffic. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 151.0.7922.71-1~deb12u1 | DEBIAN-CVE-2026-17888 |
| Debian:13 | chromium | 151.0.7922.71-1~deb13u1 | DEBIAN-CVE-2026-17888 |
| Debian:14 | chromium | 151.0.7922.71-1 | DEBIAN-CVE-2026-17888 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L