How many CVEs does PowerShell have?

PowerShell has 40 published CVE records since 2018, including 10 in the last two years.

How many PowerShell CVEs are in CISA KEV?

None of PowerShell's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which PowerShell products have the most CVEs?

The PowerShell products with the most published CVEs are powershell, Microsoft.PowerShell.SDK, System.Management.Automation, vscode-powershell, win32-openssh.

What are the most common weakness types in PowerShell CVEs?

PowerShell's CVEs most often map to these CWE weakness types: CWE-94 (Improper Control of Generation of Code ('Code Injection')), CWE-20 (Improper Input Validation), CWE-400 (Uncontrolled Resource Consumption), CWE-122 (Heap-based Buffer Overflow).

Are there public exploits for PowerShell vulnerabilities?

Yes — 2 of PowerShell's CVEs have a known public exploit.

How many critical PowerShell vulnerabilities are there?

PowerShell has 3 critical and 27 high-severity CVEs.

What is the average severity of PowerShell CVEs?

The average CVSS base score across PowerShell's scored CVEs is 7.4.

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40 CVEs

PowerShell Vulnerabilities

Name: PowerShell vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for PowerShell.

40

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

2

Public exploits

PoC or exploit code

7.4

Avg CVSS

2018–2026

Overview

PowerShell has 40 published CVE records since 2018, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 2 have a known public exploit. The average CVSS base score across scored CVEs is 7.4.

This page aggregates every publicly disclosed vulnerability (CVE) affecting PowerShell products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on PowerShell's vulnerability posture, as a share of its 40 published CVEs.

Average CVSS: 7.4
Critical / high: 75%
Actively exploited (KEV): 0%
Public exploit available: 5%
Patch available: 85%

Severity and exploitation

How the CVSS severity of PowerShell's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical3

High27

Medium10

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of PowerShell's CVEs are currently listed in CISA's KEV catalog.

Public exploits

2

2 of PowerShell's CVEs have a known public exploit available.

Most affected products

The PowerShell products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in PowerShell CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish PowerShell CVE records.

Disclosure activity by year

How many PowerShell CVEs were published each year.

2019

6

2020

3

2021

4

2022

6

2023

2

2024

6

2025

4

2026

6

Latest PowerShell CVEs

The most recently disclosed vulnerabilities affecting PowerShell.

Microsoft PowerShell Remote Code Execution Vulnerability
CWE-77
High · CVSS 7.8
EPSS 0.2%2026-08-14
Microsoft PowerShell Remote Code Execution Vulnerability
CWE-23
High · CVSS 8.8
EPSS 0.8%2026-08-11
Microsoft PowerShell Security Feature Bypass Vulnerability
CWE-94
High · CVSS 7.8
EPSS 0.3%2026-08-11
PowerShell Elevation of Privilege Vulnerability
CWE-276
High · CVSS 7.3
EPSS 0.3%2026-08-11
PowerShell Information Disclosure Vulnerability
CWE-918
High · CVSS 7.5
EPSS 0.8%2026-08-11
Microsoft PowerShell Security Feature Bypass Vulnerability
CWE-20
High · CVSS 7.8
EPSS 0.5%2026-04-14
PowerShell Elevation of Privilege Vulnerability
CWE-284
High · CVSS 7.3
EPSS 0.4%2025-10-14
PowerShell Direct Elevation of Privilege Vulnerability
CWE-923
High · CVSS 7.0
EPSS 0.3%2025-09-09
.NET and Visual Studio Remote Code Execution Vulnerability
CWE-426
High · CVSS 7.5
EPSS 0.9%2025-06-13
IO::Compress::Brotli versions prior to 0.007 for Perl have an integer overflow in the bundled Brotli C library
CWE-1395
Critical · CVSS 9.8
EPSS 0.6%2025-05-30
Openssh: regresshion - race condition in ssh allows rce/dos
CWE-364
High · CVSS 8.1
EPSS 99.5%2024-07-01
Medium vulnerability · 2024-05-14
CWE-122
Medium · CVSS 6.3
EPSS 1.2%2024-05-14

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Other vendors

Browse vulnerabilities for other tracked vendors.

microsoft36,673 CVEs linux22,774 CVEs Google16,481 CVEs Apple15,095 CVEs Oracle12,708 CVEs Debian10,226 CVEs IBM8,839 CVEs Red Hat8,111 CVEs

Browse all vendors

Frequently asked questions

Common questions about PowerShell vulnerabilities.

How many CVEs does PowerShell have?: PowerShell has 40 published CVE records since 2018, including 10 in the last two years.
How many PowerShell CVEs are in CISA KEV?: None of PowerShell's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which PowerShell products have the most CVEs?: The PowerShell products with the most published CVEs are powershell, Microsoft.PowerShell.SDK, System.Management.Automation, vscode-powershell, win32-openssh.
What are the most common weakness types in PowerShell CVEs?: PowerShell's CVEs most often map to these CWE weakness types: CWE-94 (Improper Control of Generation of Code ('Code Injection')), CWE-20 (Improper Input Validation), CWE-400 (Uncontrolled Resource Consumption), CWE-122 (Heap-based Buffer Overflow).
Are there public exploits for PowerShell vulnerabilities?: Yes — 2 of PowerShell's CVEs have a known public exploit.
How many critical PowerShell vulnerabilities are there?: PowerShell has 3 critical and 27 high-severity CVEs.
What is the average severity of PowerShell CVEs?: The average CVSS base score across PowerShell's scored CVEs is 7.4.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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