CVE-2026-78966CWE-610

CVE-2026-78966

Medium · published August 26, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
24.6
In the wild
Unconfirmed
What it is

Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to 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
0.00328 · 24.6th percentile
Weakness
CWE-610 · Externally Controlled Reference to a Resource in Another Sphere
Published
2026-08-26T01:17Z
Affected products (1)
ProductVersionsFixed in
google/chrome< 152.0.7977.65152.0.7977.65
References (2)
https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html · [email protected]https://issues.chromium.org/issues/497637694 · [email protected]
EPSS history
Timeline
  • 27 AUG 06:46Z
    EPSS moved — → 0%
    epss
  • 25 AUG 20:10Z
    Externally controlled reference in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page
    cvelistv5