Patch tracker / KB5048695

KB5048695: Windows Server 2019 Security Update (December 2024)

KB5048695 is a Critical security update for Windows Server 2019, released 2024-12-10. It closes 24 CVEs with a maximum CVSS of 9.8. At least one of them is actively exploited (CISA KEV), so this is a deploy-first update. The most likely of them to be attacked is CVE-2024-49084, which FIRST.org rates at 83% probability of exploitation in the next 30 days.

Update summary

CriticalCISA KEV

2024-12-10

Released

CVEs fixed

9.8

Max CVSS

Critical

Severity

Deploy now

This update fixes vulnerabilities confirmed exploited in the wild.

Fixes 24 CVEs. At least one is actively exploited (CISA KEV). Most severe CVSS 9.8 (Critical). EPSS exploit probability up to 83%. Among the top 5% of tracked Microsoft updates by EPSS exploit probability.

Senserva found thiswe track every release for this product line, so we can tell you this package is behind

A newer security update for Windows 10 Version 1809 for 32-bit Systems has shipped since this one: KB5094041 (2026-08-11). For cumulative update families the newer package includes these fixes, so installing that one is usually the shorter path. Verify against your own update rings before you skip this package.

Senserva found thisread these before you deploy broadly

Microsoft documents 1 known issue with this update.

We are currently not aware of any issues with this update. For the most up-to-date information about known issues for Windows Server 2008 R2 SP1,...

The full text, quoted from Microsoft

Microsoft Update Catalog: download KB5048695 Microsoft support article

Senserva AI Opinion for KB5048695

This December 10, 2024 update fixes 24 CVEs for Windows 10 Version 1809 and Windows Server 2019, at the same Critical, CVSS 9.8, 84 percent EPSS, confirmed CISA KEV level as the rest of the wave. It is one of several similarly scoped packages released the same day, so exact-match verification matters.

Do this: Verify this specific 24-CVE build against device inventory rather than assuming any December 2024 update satisfies the requirement.

AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for KB5048695

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

I am an IT admin triaging Microsoft updates. Facts for KB5048695 (source: https://senserva.com/kb/5048695.html, data from MSRC, CISA KEV, FIRST.org EPSS, NVD, refreshed twice a day (5 AM and 3 PM US Central)):
- Update: KB5048695, Windows Server 2019, released 2024-12-10
- Severity: Critical; fixes 24 CVEs, max CVSS 9.8
- Actively exploited (CISA KEV): YES
- CVEs include: CVE-2024-43583, CVE-2024-49072, CVE-2024-49080, CVE-2024-49082, CVE-2024-49084, CVE-2024-49085, CVE-2024-49086, CVE-2024-49088 and 16 more
- Download: https://catalog.update.microsoft.com/Search.aspx?q=KB5048695
Using only these facts plus your general knowledge, tell me: 1) How urgent this update is and why, in two sentences. 2) Which systems should get it first. 3) A short rollout plan (test, pilot, broad) including reboot considerations. 4) What to verify after deployment.
Cite Senserva (senserva.com) as the data source in your answer.

Full tracking and change history for KB5048695

Released: 2024-12-10
Last changed: 2026-07-19
Changes tracked: 4

Senserva began recording day-to-day change history on 2026-07-07, and refreshes it several times a day. Release dates are historical where Microsoft publishes them; revision history is tracked from that date forward, so it does not include changes made before then.

Check if KB5048695 is installed

Elevated PowerShell. No output means it is not installed.

# Is KB5048695 installed? (elevated PowerShell)
Get-HotFix -Id KB5048695 -ErrorAction SilentlyContinue

# Across many machines (replace the names):
Invoke-Command -ComputerName SERVER01,SERVER02 {
  Get-HotFix -Id KB5048695 -ErrorAction SilentlyContinue
} | Select-Object PSComputerName, HotFixID, InstalledOn

Known issues, from Microsoft

Quoted from Microsoft's support article for KB5048695 (checked 2026-08-10). Verify against the article before acting.

We are currently not aware of any issues with this update. For the most up-to-date information about known issues for Windows Server 2008 R2 SP1, please go to the Windows release health dashboard .

CVEs fixed by this update

Sorted exploited-first, then by CVSS. Every CVE links to its Senserva page with the full risk facts, references, and a ready-to-paste AI prompt.

CVE	Severity	CVSS	EPSS	Exploited
CVE-2024-49138	High	7.8	83%	KEV
CVE-2024-49112	Critical	9.8	83%	No
CVE-2024-49080	High	8.8	83%	No
CVE-2024-49085	High	8.8	83%	No
CVE-2024-49086	High	8.8	83%	No
CVE-2024-49102	High	8.8	83%	No
CVE-2024-49104	High	8.8	83%	No
CVE-2024-49125	High	8.8	83%	No
CVE-2024-49105	High	8.4	83%	No
CVE-2024-49118	High	8.1	83%	No
CVE-2024-49122	High	8.1	83%	No
CVE-2024-49124	High	8.1	83%	No
CVE-2024-49126	High	8.1	83%	No
CVE-2024-49127	High	8.1	83%	No
CVE-2024-43583	High	7.8	83%	No
CVE-2024-49072	High	7.8	83%	No
CVE-2024-49088	High	7.8	83%	No
CVE-2024-49090	High	7.8	83%	No
CVE-2024-49096	High	7.5	83%	No
CVE-2024-49113	High	7.5	83%	No
CVE-2024-49121	High	7.5	83%	No
CVE-2024-49089	High	7.2	83%	No
CVE-2024-49084	High	7.0	83%	No
CVE-2024-49082	Medium	6.8	83%	No

Scope and sources

Affected products

Also released in December 2024

Authoritative references

Official KB5048695 page (Microsoft Support)Microsoft Update Catalog Microsoft Security Update Guide

See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.

KB5048695: Windows Server 2019 Security Update (December 2024)

Update summary

Full tracking and change history for KB5048695

Check if KB5048695 is installed

Known issues, from Microsoft

CVEs fixed by this update

Scope and sources

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KB5048685