PT-2026-32747 · Microsoft · Powershell+1

CVE-2026-26170 · Published 2026-04-14 · Updated 2026-04-25

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft PowerShell (affected versions not specified)

Description Improper input validation allows an authorized attacker to elevate privileges locally on the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2026-05609

CVE-2026-26170

Affected Products

Powershell

Windows

References · 9

• https://bdu.fstec.ru/vul/2026-05609 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-26170 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-26170 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-26170 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26170 · Vendor Advisory
• https://twitter.com/CVEnew/status/2044358618019987851 · Twitter Post
• https://twitter.com/giuseppe_1337/status/2047864504898228400 · Twitter Post
• https://twitter.com/windowsforum/status/2044161533572215052 · Twitter Post
• https://twitter.com/p0w3rsh3ll/status/2044131904706781189 · Twitter Post