High severity · published Oct 13, 2026
CVE-2026-96251
Microsoft PowerShell Remote Code Execution Vulnerability
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
Reliance on untrusted inputs in a security decision in Microsoft PowerShell allows an unauthorized attacker to execute code over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
P7
PowerShell 7.4 · Microsoft
7.4.0 before 7.4.21 · source: vendor
P7
PowerShell 7.5 · Microsoft
7.5.0 before 7.5.12 · source: vendor
P7
PowerShell 7.6 · Microsoft
7.6.0 before 7.6.8 · source: vendor
PO
Powershell · Microsoft
7.4 before 7.4.21; 7.5 before 7.5.12; 7.6 before 7.6.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-96251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-96251
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96251
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