Vulnerability · Published Oct 20, 2026 · Assigned by Chrome
CVE-2026-113119
High 8.8
In plain English
A high-severity improper certificate 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 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.2%top 85.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper certificate validation in Network in Google Chrome on on Windows prior to 156.0.8078.47 allowed a remote attacker to leak sensitive information via crafted network traffic. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 156.0.8078.47-1~deb12u1 | DEBIAN-CVE-2026-113119 |
| Debian:13 | chromium | 156.0.8078.47-1~deb13u1 | DEBIAN-CVE-2026-113119 |
| Debian:14 | chromium | 156.0.8078.47-1 | DEBIAN-CVE-2026-113119 |
Affected products (as reported)
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H