Vulnerability · Published Sep 9, 2026 · Assigned by Chrome
CVE-2026-87539
Low 3.1
In plain English
A low-severity security flaw 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)3.1Low
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Observable discrepancy in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 153.0.8010.52-1~deb12u1 | DEBIAN-CVE-2026-87539 |
| Debian:13 | chromium | 153.0.8010.47-2~deb13u1 | DEBIAN-CVE-2026-87539 |
| Debian:14 | chromium | 153.0.8010.47-1 | DEBIAN-CVE-2026-87539 |
Affected products (as reported)
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N