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CVE-2025-54918 is an elevation-of-privilege vulnerability in Windows NTLM caused by improper authentication. The flaw affects the NTLM authentication mechanism used in Windows environments and allows an authorized attacker to send crafted network authentication traffic that results in privilege escalation on the target system. Available reporting indicates the issue can be exploited over the network and may enable escalation from a low-privileged authenticated context, including a domain user context, to SYSTEM on affected hosts. Multiple reports further characterize the issue as related to NTLM relay or LDAP authentication bypass behavior, with claims that it can bypass protections such as LDAP signing and channel binding, although the precise technical mechanism is not fully confirmed in the available information.
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No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
69 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Improper authentication vulnerability in Windows NTLM described as enabling privilege escalation over the network and bypassing channel binding and LDAP signing in NTLM relay scenarios.
A Windows NTLM elevation of privilege vulnerability reported as exploited.
A vulnerability in NTLM LDAP authentication, tracked as CVE-2025-54918, allows for authentication bypass, potentially enabling privilege escalation from domain user to SYSTEM. This is significant due to the potential for lateral movement and privilege escalation in Windows environments.
A vulnerability in NTLM LDAP authentication, tracked as CVE-2025-54918, allows bypassing authentication and potentially escalating privileges from domain user to SYSTEM.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.