CVE-2026-121674

PowerShell Information Disclosure Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Insertion of sensitive information into sent data in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft powershell 7.6
Vendors & Products Microsoft powershell 7.6
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Insertion of sensitive information into sent data in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network.
Title PowerShell Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft powershell
Microsoft powershell 7.7
Weaknesses CWE-201
CPEs cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:powershell_7.7:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft powershell
Microsoft powershell 7.7
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 12, 2026, 9:51 PM
Reserved
Nov 3, 2026, 6:52 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 7:20 PM
Modified
Nov 11, 2026, 2:17 AM