Vulnerability · Published May 6, 2026 · Assigned by Chrome
CVE-2026-7990
High 7.8
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 0.1% (higher than 1% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 98.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient validation of untrusted input in Updater in Google Chrome on Windows prior to 148.0.7778.96 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 148.0.7778.96-1~deb12u1 | DEBIAN-CVE-2026-7990 |
| Debian:13 | chromium | 148.0.7778.96-1~deb13u1 | DEBIAN-CVE-2026-7990 |
| Debian:14 | chromium | 148.0.7778.96-1 | DEBIAN-CVE-2026-7990 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H