CVE-2025-49734: microsoft powershell
CVSS: 7.0v3.1HighAnalyzed
Published 09-09-2025Last modified 20-02-2026
Vulnerability summary
CVE-2025-49734 is a high (CVSS 7.0) vulnerability in microsoft powershell. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.5% of scored vulnerabilities.
CVSS score
7.0/10
010
High · v3.1 (CVE.org)EPSS score
0.33%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-09-2025PublishedVulnerability first disclosed.
- 20-02-2026Last modifiedVulnerability information updated.
Description
Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
25%
Versus all other CVEs
30-day change
+0.01 pp
From 0.32% on 19-09-2026
19-09-202619-10-2026
EPSS score0.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft27 products
- powershell≥ 7.4, < 7.4.12 | ≥ 7.5, < 7.5.3
- powershell 7.4≥ 7.4.0, < 7.4.12
- powershell 7.5≥ 7.5.0, < 7.5.3
- windows_10_1607< 10.0.14393.8422
- windows_10_1809< 10.0.17763.7792
1 vendor · 27 products
