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Patch Tuesday

Patch Tuesday August 2025 – known issues, zero-days and what to do

On 12 Aug 2025 Microsoft fixed 116 vulnerabilities – critical: 19, already exploited (zero-days): 0. Known issues with the updates: none known.

116vulnerabilities
19critical
0zero-days
0known issues

What to do now

  • 19 critical vulnerabilities (mainly Windows, Microsoft Office, Azure) – roll out promptly after a short test.
  • No issues are known so far with the updates of this month – test and roll out as usual.

Zero-days: already exploited

According to Microsoft, no vulnerability of this month is being exploited yet.

Critical vulnerabilities (19)

Show 13 more critical vulnerabilities

Updates (KB) of this month

KB numbers according to the Security Update Guide; known issues from our update issues – click a KB to see all its entries.

UpdateProduct familyVulnerabilitiesKnown issues
KB5063878Windows61none known
KB5063880Windows56none known
KB5063812Windows56none known
KB5063877Windows54none known
KB5063875Windows47none known
KB5063709Windows44none known
KB5064010Windows20none known
KB5063899Windows15none known
KB5002752Microsoft Office5none known
KB5002771Microsoft Office4none known
KB5002769Microsoft Office4none known
KB5063760SQL Server4none known
Show 45 more updates
UpdateProduct familyVulnerabilitiesKnown issues
KB5063758SQL Server4none known
KB5063762SQL Server4none known
KB5063761SQL Server4none known
KB5063759SQL Server4none known
KB5063756SQL Server4none known
KB5063222Windows ESU (Extended Security Updates)4none known
KB5063223Windows ESU (Extended Security Updates)4none known
KB5063221Windows ESU (Extended Security Updates)4none known
KB5063224Windows ESU (Extended Security Updates)4none known
KB5002758Microsoft Office4none known
KB5062557Windows4none known
KB5062572Windows4none known
KB5062553Windows4none known
KB5002763Microsoft Office3none known
KB5062570Windows3none known
KB5002756Microsoft Office2none known
KB5002772Microsoft Office2none known
KB5002770Microsoft Office2none known
KB5063814SQL Server2none known
KB5062554Windows2none known
KB5062552Windows2none known
KB5062560Windows2none known
KB5063889Windows2none known
KB5065428Windows1none known
KB5065432Windows1none known
KB5065306Windows1none known
KB5065429Windows1none known
KB5065431Windows1none known
KB5065426Windows1none known
KB5059086Microsoft Dynamics1none known
KB5002773Microsoft Office1none known
KB5002765Microsoft Office1none known
KB5047155Windows ESU (Extended Security Updates)1none known
KB5050672Windows ESU (Extended Security Updates)1none known
KB5050674Windows ESU (Extended Security Updates)1none known
KB5050673Windows ESU (Extended Security Updates)1none known
KB5062624Windows1none known
KB5064483Microsoft Dynamics1none known
KB5058392Windows1none known
KB5058385Windows1none known
KB5058500Windows1none known
KB5058379Windows1none known
KB5058405Windows1none known
KB5058411Windows1none known
KB5062597Windows1none known

Known issues with the updates

No issues are known so far with the updates of this month.

By product family

  • Windows70
  • Microsoft Office18
  • Azure8
  • SQL Server5
  • Windows ESU (Extended Security Updates)5
  • Apps3
  • Microsoft Dynamics2
  • Developer tools (.NET, Visual Studio …)2

More about this month

Where the information comes from

Fixed vulnerabilities, severity, zero-days and KB numbers come from the official Microsoft Security Update Guide (MSRC); known issues, workarounds and dated changes from our update issues, each with its source. “What to do now” is derived from this data using fixed rules, without AI.

Affected? We can help.

We check whether your systems are affected, apply workarounds properly and plan for dated changes in good time.