Search/CVE-2023-21687
● CVE — Medium

CVE-2023-21687

VendormicrosoftProductwindows server 2022, windows 11 21h2, windows 11 22h2DiscoveredFeb 14, 2023UpdatedAug 19, 2026

HTTP.sys Information Disclosure Vulnerability

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CVSS v3.1
5.5 MEDIUM
EPSS
0.46%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityNONE
AvailabilityNONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Connections
5 relationships
Timeline
disclosure → media coverage
Feb 14, 2023
Disclosure — published as a CVE record. · last revised by NVD Aug 19, 2026