Search/CVE-2022-21894
● CVE — Medium

CVE-2022-21894

VendormicrosoftProductwindows 8.1, windows server 2012, windows server 2016, windows server 2019, windows 10, windows server, windows 11DiscoveredJan 11, 2022UpdatedNov 21, 2024

Secure Boot Security Feature Bypass Vulnerability

CVSS v3.1
4.4 MEDIUM
EPSS
9.12%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
3
sources referencing this CVE
Related IOCs
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Nov 5, 2026
▲ 2.55pp
6.57% → 9.12% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredHIGH
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Timeline
disclosure → media coverage
Jan 11, 2022
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024
Oct 22, 2026
securelist.com reports: How APT41 revived the BlackLotus bootkit to attack diplomatic organizations in Central Asia
Oct 23, 2026
thehackernews.com reports: BlackX UEFI Bootkit Bypasses Secure Boot on Patched Windows Systems Missing Revocations
Oct 24, 2026
bleepingcomputer.com reports: BlackX UEFI bootkit exploits Baton Drop flaw to bypass Secure Boot