Vulnerability · Published Sep 29, 2026 · Assigned by Chrome
CVE-2026-95340
Medium 4.3
In plain English
A medium-severity incorrect authorization 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 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 90.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Incorrect authorization in PictureInPicture in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 154.0.8037.57-1 | DEBIAN-CVE-2026-95340 |
| Debian:13 | chromium | 154.0.8037.57-1~deb13u1 | DEBIAN-CVE-2026-95340 |
| Debian:14 | chromium | 154.0.8037.57-1 | DEBIAN-CVE-2026-95340 |
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N