CVE-2026-70052CWE-122CWE-190

CVE-2026-70052

High · published October 13, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
24.7
In the wild
Unconfirmed
What it is

Integer overflow or wraparound in Windows PowerShell allows an authorized attacker to execute code locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00328 · 24.7th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-190 · Integer Overflow or Wraparound
Published
2026-10-13T23:19Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70052 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Microsoft PowerShell Remote Code Execution Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Microsoft PowerShell Remote Code Execution Vulnerability
    cvelistv5