CVE-2026-27910

Improper handling of insufficient permissions or privileges in Windows Installer allows an authorized attacker to elevate privileges locally.

View graph Watch Export

CVSS v3.1

7.8 HIGH

EPSS

0.21%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

CVSS v3.1 Detail

Attack VectorLOCAL

Attack ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

ScopeUNCHANGED

ConfidentialityHIGH

IntegrityHIGH

AvailabilityHIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Connections

15 relationships

windows server 2022 23h2

source

Timeline

disclosure → media coverage

Apr 14, 2026

Disclosure — published as a CVE record. · last revised by NVD Apr 23, 2026