CVE-2026-45765

Description

The vulnerability exists due to a logical validation bypass in the protocol parser engine, enabling a remote attacker to induce a persistent Denial of Service (DoS) state.

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

7.5 / 10

CVSS vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Effective score

7.5 / 10 HIGH source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2026-45765

Linked Threat

CVE-2026-45765 — CVE-2026-45765

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (2)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• https://nvd.nist.gov/vuln/detail/CVE-2026-45765 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2026-45765 tenable:www.cve.org

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

• Microsoft Patch Tuesday May 2026 - 120 Vulnerabilities Fixed, Including ...
  web:cybersecuritynews.com

  Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.

  2026-06-19 02:33 UTC
• Microsoft Releases Mitigation for Windows BitLocker Security Bypass 0 ...
  web:cybersecuritynews.com

  No patch has been released yet; Microsoft has instead issued a multi-step manual mitigation guide while a formal security update is prepared. Windows BitLocker Security Bypass The vulnerability originates in WinRE's handling of the BootExecute registry value under HKLM\ControlSet001\Control\Session Manager.

  2026-06-19 02:33 UTC
• Security Update Guide - Loading - Microsoft
  web:portal.msrc.microsoft.com

  The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

  2026-06-19 02:33 UTC
• June 9, 2026—KB5094126 (OS Builds 26200.8655 and 26100.8655)
  web:support.microsoft.com

  Improvements This update includes new features and quality improvements that were part of the following update: May 12, 2026—KB5089549 (OS Builds 26200.8457 and 26100.8457) May 26, 2026—KB5089573 (OS Builds 26200.8524 and 26100.8524) This update addresses security vulnerabilities documented in the following guide: June 2026 Security Updates. The following summary outlines key quality ...

  2026-06-19 02:33 UTC
• Microsoft Releases Mitigation for YellowKey BitLocker Bypass CVE-2026 ...
  web:thehackernews.com

  Microsoft on Tuesday released a mitigation for a BitLocker bypass vulnerability named YellowKey following its public disclosure last week. The zero-day flaw, now tracked as CVE - 2026 -45585, carries a CVSS score of 6.8.

  2026-06-19 02:33 UTC
• CVE-2026-45657: Critical Windows Kernel RCE Patch Guide (June 2026)
  web:windowsforum.com

  The Patch Window Is the Real Security Boundary The practical lessons from CVE - 2026 -45657 are not mysterious, but they are concrete enough to separate disciplined shops from hopeful ones. This is not a vulnerability that rewards theatrical mitigation plans. It rewards boring execution: update, reboot, verify, segment, monitor.

  2026-06-19 02:33 UTC
• Microsoft is working on a patch for 'YellowKey ... - Computerworld
  web:www.computerworld.com

  Microsoft says it is considering a patch for a zero-day vulnerability, dubbed YellowKey, that allows attackers with access to a Windows device to bypass Bitlocker encryption protection and read ...

  2026-06-19 02:33 UTC
• How To Mitigate The Microsoft Windows BitLocker YellowKey USB 0-Day
  web:www.forbes.com

  Following the release of a BitLocker zero-day security bypass by a disgruntled hacker, Microsoft has now offered mitigation advice until a patch is available.

  2026-06-19 02:33 UTC
• Windows 11 KB5083769 update triggers BitLocker recovery | Windows Central
  web:www.windowscentral.com

  Microsoft Windows Windows 11 "This update broke BitLocker for me" — Windows 11's April patch is locking out PCs, but here's the fix that works How Tos By Mauro Huculak published April 20 ...

  2026-06-19 02:33 UTC
• Patch Tuesday June 2026: Security Updates & CVE Analysis
  web:zecurit.com

  Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

  2026-06-19 02:33 UTC

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