The Update BureauFiltered Update Catalog
Known issues — All products
351–355 of 355 updates, newest first.
Terms & labels
Label legend
- Security
- Contains fixes for security vulnerabilities.
- Preview
- Optional update with new features and fixes, without new security patches. Its content joins the next Patch Tuesday update.
- Out-of-band
- Released outside the usual monthly schedule, usually to fix a specific problem.
- Cumulative
- Includes everything from earlier updates, so the latest one is enough.
- Zero-day
- Microsoft reports a vulnerability that was already exploited or publicly known when the fix came out.
- Windows Insider Preview
- A pre-release build for testers, not meant for everyday PCs.
- Updated
- We revised this page after publishing because Microsoft changed its notes.
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SQL Server · CU25SQL Server 2019 CU25 SQL Server 2019 CU25 Cumulative update
Availability databases return in SSMS; parallel SESSION_CONTEXT remains risky
Fixes 14 issues in SQL Server 2019, including missing availability databases in SSMS. Queries using SESSION_CONTEXT can still return incorrect results or trigger access violations in parallel plans.
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Windows 10 · 21H2, 22H2Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security updateZero-dayKB5034763
Closes exploited kernel, SmartScreen and shortcut-file flaws
Closes three exploited security flaws, including one in the Windows kernel, and addresses several Windows 10 issues. It is no longer available; Microsoft recommends updating to the latest Windows version.
Builds 19044.4046 19045.4046Security 38 CVEs 1 critical 3 exploitedKnown issues 2 open
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Windows 10 · 22H2Windows 10 22H2 Windows 10 22H2 Optional previewPreviewKB5034203
Printer setup issue addressed; richer weather comes to the lock screen
Addresses an issue that could make some single-function printers install as scanners and begins rolling out interactive weather on the lock screen.
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SQL Server · CU11SQL Server 2022 CU11 SQL Server 2022 CU11 Cumulative update
SESSION_CONTEXT errors remain; 16 fixes included
Includes 16 fixes for SQL Server 2022. An issue that can make SESSION_CONTEXT return wrong results or produce access-violation dumps in parallel queries remains open.
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Windows 10 · 21H2, 22H2Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security update
Critical Kerberos and Hyper-V flaws patched; Copilot issues remain
The update fixes 34 vulnerabilities, including critical flaws in Kerberos and Hyper-V. It is no longer available through Microsoft release channels as of March 31, 2026.
Builds 19044.3930 19045.3930Security 34 CVEs 2 criticalKnown issues 2 open