CVE-2026-88097CWE-416

CVE-2026-88097

High · published September 19, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
16.4
In the wild
Unconfirmed
What it is

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00256 · 16.4th percentile
Weakness
CWE-416 · Use After Free
Published
2026-09-19T01:18Z
Affected products (1)
ProductVersionsFixed in
microsoft/edge_chromium< 153.0.4234.46153.0.4234.46
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88097 · [email protected]
EPSS history
Timeline
  • 20 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 18 SEP 20:47Z
    Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
    cvelistv5