CVE-2026-96303: microsoft powershell
CVSS: 6.5v3.1MediumAnalyzed
Published 13-10-2026Last modified 19-10-2026
Vulnerability summary
CVE-2026-96303 is a medium (CVSS 6.5) vulnerability in microsoft powershell. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 47.9% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.61%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
Improperly implemented security check for standard in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature over a network.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
14-10-202619-10-2026
EPSS score0.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- powershell≥ 7.4, < 7.4.21 | ≥ 7.5, < 7.5.12 | ≥ 7.6, < 7.6.7
- powershell 7.4≥ 7.4.0, < 7.4.21
- powershell 7.5≥ 7.5.0, < 7.5.12
- powershell 7.6≥ 7.6.0, < 7.6.7
1 vendor · 4 products
