Patch tracker / KB5053886

KB5053886: Windows Server 2019 Security Update (March 2025)

KB5053886 is a High security update for Windows Server 2019, released 2025-03-11. It closes 24 CVEs with a maximum CVSS of 8.8. At least one of them is actively exploited (CISA KEV) and linked to ransomware, so this is a deploy-first update. The most likely of them to be attacked is CVE-2025-24035, which FIRST.org rates at 59% probability of exploitation in the next 30 days.

Update summary

HighCISA KEVRansomware

2025-03-11

Released

CVEs fixed

8.8

Max CVSS

High

Severity

Deploy immediately

This update fixes vulnerabilities confirmed exploited in the wild, including ransomware-linked CVEs.

Fixes 24 CVEs. At least one is actively exploited (CISA KEV). Most severe CVSS 8.8 (High). EPSS exploit probability up to 59%. One is linked to ransomware. Among the top 25% 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 2012, please go...

The full text, quoted from Microsoft

Microsoft Update Catalog: download KB5053886 Microsoft support article

Senserva AI Opinion for KB5053886

KB5053886 fixes twenty four CVEs for Windows 10 version 1809 and Windows Server 2019 in March 2025, combining CVE-2025-24045, CVE-2025-24051, and CVE-2025-24054 with the ransomware linked CVE-2025-24035. High severity, CVSS 8.8, a 59 percent EPSS score, CISA KEV listing, and ransomware association hold across this package too. This appears to be a later or supplementary release within the same March servicing wave.

Do this: Deploy KB5053886 to maintain full coverage of March 2025's ransomware linked vulnerability set.

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

Senserva AI Opinion and rich prompt for KB5053886

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 KB5053886 (source: https://senserva.com/kb/5053886.html, data from MSRC, CISA KEV, FIRST.org EPSS, NVD, refreshed twice a day (5 AM and 3 PM US Central)):
- Update: KB5053886, Windows Server 2019, released 2025-03-11
- Severity: High; fixes 24 CVEs, max CVSS 8.8
- Actively exploited (CISA KEV): YES, ransomware-linked
- CVEs include: CVE-2024-9157, CVE-2025-21180, CVE-2025-21247, CVE-2025-24035, CVE-2025-24044, CVE-2025-24045, CVE-2025-24051, CVE-2025-24054 and 16 more
- Download: https://catalog.update.microsoft.com/Search.aspx?q=KB5053886
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 KB5053886

Released: 2025-03-11
Last changed: 2025-03-11
Changes tracked: 1

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 KB5053886 is installed

Elevated PowerShell. No output means it is not installed.

# Is KB5053886 installed? (elevated PowerShell)
Get-HotFix -Id KB5053886 -ErrorAction SilentlyContinue

# Across many machines (replace the names):
Invoke-Command -ComputerName SERVER01,SERVER02 {
  Get-HotFix -Id KB5053886 -ErrorAction SilentlyContinue
} | Select-Object PSComputerName, HotFixID, InstalledOn

Known issues, from Microsoft

Quoted from Microsoft's support article for KB5053886 (checked 2026-08-11). 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 2012, 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-2025-24985	High	7.8	59%	KEV
CVE-2025-24993	High	7.8	59%	KEV
CVE-2025-24983	High	7.0	59%	KEV
CVE-2025-26633	High	7.0	59%	KEV Ransomware
CVE-2025-24054	Medium	6.5	59%	KEV
CVE-2025-24991	Medium	5.5	59%	KEV
CVE-2025-24984	Medium	4.6	59%	KEV
CVE-2024-9157	High	8.8	59%	No
CVE-2025-21247	High	8.8	59%	No
CVE-2025-24051	High	8.8	59%	No
CVE-2025-24055	High	8.8	59%	No
CVE-2025-24056	High	8.8	59%	No
CVE-2025-26645	High	8.8	59%	No
CVE-2025-24035	High	8.1	59%	No
CVE-2025-24045	High	8.1	59%	No
CVE-2025-24064	High	8.1	59%	No
CVE-2025-21180	High	7.8	59%	No
CVE-2025-24044	High	7.8	59%	No
CVE-2025-24059	High	7.8	59%	No
CVE-2025-24072	High	7.8	59%	No
CVE-2025-24987	Medium	6.6	59%	No
CVE-2025-24988	Medium	6.6	59%	No
CVE-2025-24996	Medium	6.5	59%	No
CVE-2025-24992	Medium	5.5	59%	No

Scope and sources

Affected products

Also released in March 2025

Authoritative references

Official KB5053886 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.

KB5053886: Windows Server 2019 Security Update (March 2025)

Update summary

Full tracking and change history for KB5053886

Check if KB5053886 is installed

Known issues, from Microsoft

CVEs fixed by this update

Scope and sources

KB5051974

KB5051979

KB5051980

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KB5052000

KB5052006

KB5052040