Vulnerability · Published Jun 30, 2026 · Assigned by Chrome
CVE-2026-13976
Medium 5.8
In plain English
A medium-severity heap buffer overflow 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 9% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.8Medium
Exploit odds (30 days)0.2%top 91.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient data validation in Storage in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 150.0.7871.46-1~deb12u1 | DEBIAN-CVE-2026-13976 |
| Debian:13 | chromium | 150.0.7871.46-1~deb13u1 | DEBIAN-CVE-2026-13976 |
| Debian:14 | chromium | 150.0.7871.46-1 | DEBIAN-CVE-2026-13976 |
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L