CVE-2026-77490CWE-79cross-site-scripting

CVE-2026-77490

Medium · published September 12, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
34.5
In the wild
Unconfirmed
What it is

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00413 · 34.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-12T00:18Z
Affected products (1)
ProductVersionsFixed in
microsoft/edge_chromium< 151.0.4129.107151.0.4129.107
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77490 · [email protected]
EPSS history
Timeline
  • 13 SEP 03:23Z
    EPSS moved — → 0%
    epss
  • 11 SEP 19:37Z
    Microsoft Edge (Chromium-based) Spoofing Vulnerability
    cvelistv5