What is CVE-2026-96251?

CVE-2026-96251 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft PowerShell Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-96251 cover?

CVE-2026-96251 covers the following CVE IDs: CVE-2026-96251. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-96251?

CVE-2026-96251 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-96251?

CVE-2026-96251 affects 3 products, including: PowerShell 7.4; PowerShell 7.5; PowerShell 7.6.

CVE-2026-96251HighCVSS 8.8

Microsoft PowerShell Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

October 13, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-96251 →

📋 Description

Reliance on untrusted inputs in a security decision in Microsoft PowerShell allows an unauthorized attacker to execute code over a network.

🎯 Affected products3

PowerShell 7.4
PowerShell 7.5
PowerShell 7.6

✅ Remediation

KBRelease Notes (Security Update) — fixed build 7.4.21 KBRelease Notes (Security Update) — fixed build 7.6.7 KBRelease Notes (Security Update) — fixed build 7.5.12

🔗 References (5)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96251
patchhttps://github.com/PowerShell/PowerShell/releases/tag/v7.4.21
referencehttps://github.com/PowerShell/Announcements/blob/main/pwsh/2026/10/CVE-2026-96251.md
patchhttps://github.com/PowerShell/PowerShell/releases/tag/v7.6.7
patchhttps://github.com/PowerShell/PowerShell/releases/tag/v7.5.12