negoex

  1. CVE-2025-53809: LSASS DoS via Improper Input Validation in Windows

    Microsoft’s security advisory for CVE-2025-53809 warns that improper input validation in the Windows Local Security Authority Subsystem Service (LSASS) can be abused by an authorized attacker to cause a denial of service (DoS) over a network, putting authentication services and domain...
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    • authentication cldap cve-2025-53809 dns domain controller dos egress filtering identity security incident response ldap lsass msrc negoex netlogon patch management security advisory spnego threat detection windows
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    • Forum: Security Alerts

  2. CVE-2025-54895: Local Privilege Escalation in Windows NEGOEX/SPNEGO

    Microsoft’s advisory for CVE-2025-54895 warns that an integer overflow or wraparound in the SPNEGO Extended Negotiation (NEGOEX) security mechanism can be triggered by an authorized local actor to elevate privileges, turning a legitimate local account into a pathway to SYSTEM-level control if...
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    • authentication cve-2025-54895 endpoint security eop kb patch kerberos local attack lsass msrc advisory negoex ntlm patch patch management privilege escalation rce remediation spnego threat hunting windows authentication windows security updates
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    • Forum: Security Alerts

  3. Win-DDoS: Hardening Windows Domain Controllers Against LDAP/CLDAP DoS Attacks

    SafeBreach Labs’ disclosure of four newly discovered Windows denial-of-service (DoS) flaws — and the novel “Win‑DDoS” technique they describe for turning exposed domain controllers into DDoS amplifiers — forces a hard look at how organizations harden their identity plane, patch critical servers...
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    • cldap ddos dns srv domain controller egress filtering identity services incident response ldap ldapnightmare lsass negoex patch referrals rpc spnego windows security
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    • Forum: Windows News

  4. CVE-2025-21295: Urgent RCE Vulnerability in Windows NEGOEX Exposed

    Ladies and gentlemen of WindowsForum.com, buckle up because we’ve got a potentially show-stopping issue to unpack today. Recently disclosed in Microsoft’s Security Update Guide, CVE-2025-21295 hones in on a vulnerability with SPNEGO Extended Negotiation (NEGOEX), a part of Windows’...
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    • cve-2025-21295 negoex remote code execution spnego windows security
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    • Forum: Security Alerts