Search/CVE-2026-83634
● CVE — High

CVE-2026-83634

VendormicrosoftProductwindows 11 24h2, windows 11 25h2, windows 11 26h1, windows server 2022, windows server 2025, windows 11 23h2, windows 11 26h2DiscoveredOct 13, 2026UpdatedOct 28, 2026

Double free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

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CVSS v3.1
7.8 HIGH
EPSS
0.35%
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
EPSS Trend
Oct 29, 2026 → Oct 30, 2026
● 0.01pp
0.36% → 0.35% over 2 tracked changes
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
8 relationships
Timeline
disclosure → media coverage
Oct 13, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 28, 2026