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Microsoft releases Windows 10 KB5071546 extended security update

ID: 8a043613-f594-59ae-9c40-e8e6685e6978

STIX ID: report--8a043613-f594-59ae-9c40-e8e6685e6978

Feed Name: Bleeping Computer

Threat Score
65/100

Date Published: 2025-12-09

Date Updated: 2026-04-20

Author: Lawrence Abrams

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Microsoft released Windows 10 KB5071546 (builds 19045.6691 / 19044.6691) which contains only security fixes including a remote code execution zero-day in PowerShell (CVE-2025-54100) that can execute embedded webpage scripts when using Invoke-WebRequest; Microsoft recommends using the -UseBasicParsing flag and has published guidance and the patch for affected Windows 10 versions.

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