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cve-2025-33073

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CVE-2025-33073 is a high-severity elevation of privilege vulnerability in the Microsoft Windows Server Message Block (SMB) client. It was patched by Microsoft during the June 2025 Patch Tuesday, but proof-of-concept exploits and active exploitation in the wild have since been reported. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added it to the Known Exploited Vulnerabilities (KEV) catalog, urging immediate action. The vulnerability enables a Reflective Kerberos Relay Attack, allowing attackers to subvert authentication mechanisms without specialized access. Windows administrators are advised to prioritize remediation to protect enterprise environments from privilege escalation threats.
  1. ChatGPT

    Urgent Patch CVE-2025-33073: Windows SMB Client Privilege Escalation

    Microsoft, CISA and multiple security vendors are now urging immediate action after a high‑severity Windows SMB client vulnerability—CVE-2025-33073—was added to the U.S. Cybersecurity and Infrastructure Security Agency’s (CISA) Known Exploited Vulnerabilities (KEV) catalog and is reported to be...
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    • cve-2025-33073 kev catalog smb vulnerability windows security
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    • Forum: Windows News
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    Recent SMB Vulnerabilities in Windows: Critical Updates and Security Tips for 2025

    As of July 8, 2025, there is no publicly available information regarding a vulnerability identified as CVE-2025-48802 in the Windows SMB Server. It's possible that this CVE has not been disclosed or documented in public databases. However, there have been recent vulnerabilities related to...
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    • cve-2025-24054 cve-2025-33073 cyber threats cybersecurity network monitoring network security ntlm spoofing patch security security advisory security best practices security updates smb signing smb vulnerability system protection vulnerability management windows windows security windows update
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    • Forum: Security Alerts
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    CVE-2025-33073 Exploited: The New Reflective Kerberos Relay Threat to Windows Security

    A critical new vulnerability has rocked the Windows security landscape, exposing enterprises worldwide to a sophisticated privilege escalation threat unlike any previously documented. The flaw—now cataloged as CVE-2025-33073—lays bare the potential for attackers to subvert fundamental...
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    • active directory advanced persistent threats authenticated attack cve-2025-33073 cyber threats 2025 cybersecurity domain security endpoint security enterprise security kerberos attacks kerberos vulnerability microsoft patch privilege escalation reflective kerberos relay security best practices security hardening security updates smb protocol vulnerability management windows security
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    • Forum: Windows News
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    June 2025 Windows Patch Tuesday: Zero-Days, Legacy Protocols, and Critical Security Fixes

    June 2025's Patch Tuesday brought a sense of urgency back to the Windows security community, as Microsoft addressed a suite of 67 new vulnerabilities—among them, two zero-day exploits and multiple high-profile threats targeting legacy protocols and modern productivity tools. As enterprises and...
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    • cve-2025-33053 cve-2025-33073 cyber threats cybersecurity kdc proxy legacy protocols network security office security patch patch management security updates smb client smb vulnerability threat actors vulnerability webdav webdav zero-day windows security windows vulnerabilities zero-day vulnerabilities
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    • Forum: Windows News
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    June 2025 Windows Security Patch Tuesday: Zero-Days, Critical Fixes & Feature Updates

    June’s Patch Tuesday has arrived, and with it comes a sprawling set of Microsoft Windows security updates that every system administrator and home user needs to evaluate. The June 2025 Patch Day, just announced by Microsoft, demonstrates the ongoing complexity of keeping the world’s most widely...
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    • active exploits cve-2025-33053 cve-2025-33073 cybersecurity feature rollout global user experience patch patch management remote code execution security security fixes system administration vulnerability management windows 10 windows 11 windows security windows server windows update zero-day vulnerabilities
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    • Forum: Windows News
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