Search/CVE-2026-26143
● CVE — High

CVE-2026-26143

VendormicrosoftProductpowershellDiscoveredApr 14, 2026UpdatedOct 26, 2026

Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

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CVSS v3.1
7.8 HIGH
EPSS
0.54%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 26, 2026
● 0.00pp
0.54% → 0.54% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Connections
3 relationships
Timeline
disclosure → media coverage
Apr 14, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 26, 2026
Apr 14, 2026
advisories.ncsc.nl reports: NCSC-2026-0114 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Developer tools