7.8

CVE-2022-26788: microsoft powershell

CVSS: 7.8v3.1HighModified
AliasesGHSA-q7x5-x7rr-2859BIT-powershell-2022-26788
Published 15-04-2022Last modified 02-01-2025

Vulnerability summary

CVE-2022-26788 is a high (CVSS 7.8) vulnerability in microsoft powershell. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-04-2022
    PublishedVulnerability first disclosed.
  2. 02-01-2025
    Last modifiedVulnerability information updated.

Description

PowerShell Elevation of Privilege Vulnerability

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.65% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.65%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft29 products
NuGet1 product
  • Microsoft.PowerShell.SDK≥ 7.0.0-preview.1, < 7.0.10 | ≥ 7.1.0-preview.1, < 7.1.7 | ≥ 7.2.0-preview.1, < 7.2.3

2 vendors · 30 products

References

5 links