CVE-2026-83845CWE-290

CVE-2026-83845

High · published October 13, 2026

CVSS v3.1
8.4
EPSS
0%
Percentile
20.2
In the wild
Unconfirmed
What it is

Improper privilege management in Windows Internet (wininet.dll) allows an authorized attacker to perform spoofing locally.

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00288 · 20.2th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2026-10-13T23:20Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83845 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Windows Internet (wininet.dll) Spoofing Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Internet (wininet.dll) Spoofing Vulnerability
    cvelistv5