CVE-2026-8797CWE-782

An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows

High · published June 26, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
3.8
In the wild
Unconfirmed
What it is

An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a malicious user gains access to the product, arbitrary code could be executed with SYSTEM privileges.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00149 · 3.8th percentile
Weakness
CWE-782 · Exposed IOCTL with Insufficient Access Control
Published
2026-06-26T04:14Z
EPSS history
Timeline
  • 26 JUN 04:14Z
    An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows
    cvelistv5