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.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.65%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-04-2022PublishedVulnerability first disclosed.
- 02-01-2025Last modifiedVulnerability information updated.
Description
PowerShell Elevation of Privilege Vulnerability
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 3 agree
- OSV · NugetEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
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 score0.65%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft29 products
- powershell≥ 7.0, < 7.0.10 | ≥ 7.1, < 7.1.7 | ≥ 7.2, < 7.2.3
- powershell 7.0≥ 7.0.0, < 7.0.10
- powershell 7.1≥ 7.1.0, < 7.1.7
- powershell 7.2≥ 7.2.0, < 7.2.3
- windows_10na | 20h2 | 21h1 | 21h2 | 1607 | 1809 | 1909
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