Microsoft May 2023 Security Updates


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Windows 10
May 2023 Security Updates
This release consists of the following 40 Microsoft CVEs:

We are republising 9 non-Microsoft CVEs:
Tag CVE FAQs? Workarounds? Mitigations?
Chrome Microsoft Edge (Chromium-based) CVE-2023-2459 Yes No No
Chrome Microsoft Edge (Chromium-based) CVE-2023-2460 Yes No No
Chrome Microsoft Edge (Chromium-based) CVE-2023-2462 Yes No No
Chrome Microsoft Edge (Chromium-based) CVE-2023-2463 Yes No No
Chrome Microsoft Edge (Chromium-based) CVE-2023-2464 Yes No No
Chrome Microsoft Edge (Chromium-based) CVE-2023-2465 Yes No No
Chrome Microsoft Edge (Chromium-based) CVE-2023-2466 Yes No No
Chrome Microsoft Edge (Chromium-based) CVE-2023-2467 Yes No No
Chrome Microsoft Edge (Chromium-based) CVE-2023-2468 Yes No No
Security Update Guide Blog Posts
Blog Post
January 11, 2022 Coming Soon: New Security Update Guide Notification System
February 9, 2021 Continuing to Listen: Good News about the Security Update Guide API
January 13, 2021 Security Update Guide Supports CVEs Assigned by Industry Partners
December 8, 2020 Security Update Guide: Let’s keep the conversation going
November 9, 2020 Vulnerability Descriptions in the New Version of the Security Update Guide
Relevant Resources
  • The new Hotpatching feature is now generally available. Please see Hotpatching feature for Windows Server Azure Edition virtual machines (VMs) for more information.
  • Windows 10 and Windows 11 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are available via the Microsoft Update Catalog. For information on lifecycle and support dates for Windows 10 operating systems, please see Windows Lifecycle Facts Sheet.
  • Microsoft is improving Windows Release Notes. For more information, please see What's next for Windows release notes.
  • A list of the latest servicing stack updates for each operating system can be found in ADV990001. This list will be updated whenever a new servicing stack update is released. It is important to install the latest servicing stack update.
  • In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
  • Customers running Windows 7, Windows Server 2008 R2, or Windows Server 2008 need to purchase the Extended Security Update to continue receiving security updates. See 4522133 for more information.
Known Issues
You can see these in more detail from the Deployments tab by selecting Known Issues column in the Edit Columns panel.

For more information about Windows Known Issues, please see Windows message center (links to currently-supported versions of Windows are in the left pane).

KB Article Applies To
5026361 Windows 10, version 20H2, Windows 10, version 21H2, Windows 10, version 22H2
5026362 Windows 10, Version 1809, Windows Server 2019
5026368 Windows 11 version 21H2
5026370 Windows Server 2022
5026372 Windows 11 version 22H2
5026408 Windows Server 2008 (Monthly Rollup)
5026413 Windows Server 2008 R2 (Monthly Rollup)
5026426 Windows Server 2008 R2 (Security-only update)
5026427 Windows Server 2008 (Security-only update)
Released: May 9, 2023

May 2023 Security Updates - Release Notes - Security Update Guide - Microsoft
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