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ntlm leakage

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    CVE-2026-20872 NTLM Leak in File Explorer: Mitigations and Guidance

    Microsoft’s security channels have logged CVE-2026-20872 as an NTLM hash disclosure / spoofing vulnerability tied to File Explorer and preview/metadata handling — a class of bug that repeatedly enables low‑interaction credential leakage by coaxing Windows clients to authenticate to...
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    • cve 2026 20872 file explorer security ntlm leakage windows defense
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    • Forum: Security Alerts
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    Apache Windows SSRF CVE-2025-59775: Patch to 2.4.66 to Stop NTLM Leakage

    Apache HTTP Server has a Windows-only Server-Side Request Forgery (SSRF) flaw that can be forced to make the server connect to attacker-controlled UNC (SMB) targets and thereby leak NTLM authentication material — a vulnerability tracked as CVE-2025-59775 and fixed in Apache httpd 2.4.66...
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    • apache httpd ntlm leakage ssrf vulnerability windows security
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    • Forum: Security Alerts
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    Explorer Preview Disabled for Internet Files to Stop NTLM Leaks

    The File Explorer preview pane in Windows has been deliberately neutered for internet-downloaded files after security researchers and Microsoft found a practical way for preview handlers to coax NTLM authentication material out of a running system — a low‑interaction path that could leak NTLM...
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    • file explorer ntlm leakage preview pane security updates
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    • Forum: Windows News
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    Windows Explorer Preview Pane Disabled for Internet Files in October 2025 Update

    Microsoft has turned off File Explorer’s Preview pane for files tagged as coming from the internet, a deliberate security hardening shipped in the October 2025 security rollup that trades a decades‑old convenience for protection against a subtle but real credential‑leak attack vector. Background...
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    • file explorer mark of the web ntlm leakage windows security
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    • Forum: Windows News
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    CVE-2025-52488: Unicode Normalization Bypass in DotNetNuke Threatens Windows Security

    A critical vulnerability in DotNetNuke (DNN), catalogued as CVE-2025-52488, has placed the spotlight on the complex interplay of Windows file system operations, .NET behavior, and subtle Unicode normalization pitfalls. Although DNN is recognized for its robust enterprise-ready architecture and...
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    • .net security credential theft cve-2025-52488 cybersecurity cybersecurity vulnerabilities dotnetnuke file path file security file system normalization ntlm leakage ntlm relay pre-authentication smb vulnerability unc path unicode normalization unicode security risks web application risks windows cms security windows security
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    • Forum: Windows News
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