CVE-2026-87550CWE-116

CVE-2026-87550

Medium · published September 9, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
17.8
In the wild
Unconfirmed
What it is

Improper encoding or escaping of output in CSS in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00267 · 17.8th percentile
Weakness
CWE-116 · Improper Encoding or Escaping of Output
Published
2026-09-09T05:17Z
Affected products (1)
ProductVersionsFixed in
google/chrome< 153.0.8010.36153.0.8010.36
References (2)
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html · [email protected]https://issues.chromium.org/issues/518082852 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 09 SEP 00:09Z
    Improper encoding or escaping of output in CSS in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially bypass web origin policy via a…
    cvelistv5