
Windows PCs missing key updates could lose security fixes in 2027
Microsoft warns outdated Windows PCs may lose Windows Update and security fixes when certificates expire in 2027.
5 stories, newest first · one card per story

Microsoft warns outdated Windows PCs may lose Windows Update and security fixes when certificates expire in 2027.

Unsupported Windows devices will lose security updates after Windows Update certificates expire in 2027.

Microsoft paused KB5002907 after it deactivated or removed perpetual Office 2016 and 2019 installs.

Microsoft shipped emergency out-of-band fixes to correct glitches from a record Patch Tuesday covering nearly 1,000 CVEs.

Microsoft's September 2026 Patch Tuesday fixes a record 966 flaws, including two Windows zero-days actively exploited to gain SYSTEM privileges.
Today 1.6K readers · 2.4K views · 774 reads · all time 189K views