Windows 10 1607
CVE-2026-20848
HIGH
Severity by source
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (microsoft) · only source for this CVE.
CVSS VectorVendor: microsoft
Lifecycle Timeline
2DescriptionCVE.org
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
AnalysisAI
Privilege escalation via race condition in Windows SMB Server affects Windows 10 21h2, Windows 11 25h2, and Windows Server 2022 23h2, allowing authenticated attackers to gain elevated privileges over the network. The vulnerability stems from improper synchronization when handling concurrent access to shared resources, and no patch is currently available. With a CVSS score of 7.5, this poses a significant risk to organizations using affected Windows versions.
Technical ContextAI
Classified as CWE-362 (Race Condition). Affects Windows 10 1607. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-362 – Race Condition
View allSame technique Information Disclosure
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External POC / Exploit Code
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