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Patch Tuesday

Patch Tuesday December 2024 – known issues, zero-days and what to do

On 10 Dec 2024 Microsoft fixed 75 vulnerabilities – critical: 19, already exploited (zero-days): 1. Known issues with the updates: none known.

75vulnerabilities
19critical
1zero-days
0known issues

What to do now

  • Zero-day first: one vulnerability is already being exploited (CVE-2024-49138) – install the update as soon as possible, starting with servers and exposed systems.
  • 19 critical vulnerabilities (mainly Windows, Microsoft Office, System Center and Defender) – 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

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
KB5048661Windows54none known
KB5048667Windows53none known
KB5048652Windows45none known
KB5048685Windows44none known
KB5048800Windows41none known
KB5048654Windows40none known
KB5048794Windows29none known
KB5048653Windows28none known
KB5002659Microsoft Office5none known
KB5002657Microsoft Office5none known
KB5002544Microsoft Office4none known
KB5002664Microsoft Office4none known
Show 19 more updates
UpdateProduct familyVulnerabilitiesKnown issues
KB5002658Microsoft Office4none known
KB4475587Microsoft Office2none known
KB5002661Microsoft Office2none known
KB5050008Windows1none known
KB5049983Windows1none known
KB5050009Windows1none known
KB5049984Windows1none known
KB5053596Windows1none known
KB5058392Windows1none known
KB5058385Windows1none known
KB5058500Windows1none known
KB5058411Windows1none known
KB5058497Windows1none known
KB5058384Windows1none known
KB5095051Windows1none known
KB5002660Microsoft Office1none known
KB5002641Microsoft Office1none known
KB2920716Microsoft Office1none known
KB5002652Microsoft Office1none known

Known issues with the updates

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

By product family

  • Windows59
  • Microsoft Office10
  • System Center and Defender3
  • Apps1
  • Developer tools (.NET, Visual Studio …)1
  • Browser (Edge)1

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.

Get in touchAll known issues after updates