Windows 10 · Release · Out-of-band update

July 6, 2021—KB5004950 (OS Build 10240.18969) Out-of-band - EXPIRED

What's in this update

Updates a remote code execution exploit in the Windows Print Spooler service, known as “PrintNightmare”, as documented in CVE-2021-34527 .

From Microsoft's release notes for KB5004950.

Microsoft's known issues — KB5004950

Microsoft lists no known issues for this update (KB5004950).

Microsoft's release notes for KB5004950 ›

Known issues — reported on the forum

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In the news

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