Patch tracker / KB5050525

KB5050525: Microsoft Visual Studio 2022 version 1 Security Update (January 2025)

KB5050525 is a High security update for Microsoft Visual Studio 2022 version 1, released 2025-01-14. It closes 3 CVEs with a maximum CVSS of 8.8. The most likely of them to be attacked is CVE-2025-21176, which FIRST.org rates at 81% probability of exploitation in the next 30 days.

Update summary

High
2025-01-14
Released
3
CVEs fixed
8.8
Max CVSS
High
Severity
Deploy this cycle
Fixes 3 CVEs for Microsoft Visual Studio 2022 version 1. No confirmed in-the-wild exploitation in this set today.

Fixes 3 CVEs. Most severe CVSS 8.8 (High). EPSS exploit probability up to 2.4%. Among the lower half 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 Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) has shipped since this one: KB5063035 (2025-07-08). 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.

Microsoft Update Catalog: download KB5050525Microsoft support article
Senserva AI Opinion for KB5050525

KB5050525 fixes a closely related but not identical three-CVE set, swapping CVE-2025-21178 for CVE-2025-21173 compared to KB5049688, across the same Visual Studio 2017/2019/2022 17.6 lines. Both packages target CVE-2025-21176, the common thread across nearly all the January 2025 Visual Studio KBs in this batch. High, CVSS 8.8, 2 percent EPSS.

Do this: Apply KB5050525 alongside KB5049688 if your Visual Studio build requires both fix sets.

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

Senserva AI Opinion and rich prompt for KB5050525

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

Full tracking and change history for KB5050525

Released
2025-01-14
Last changed
2025-01-14
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 KB5050525 is installed

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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.

CVESeverityCVSSEPSSExploited
CVE-2025-21176High8.881%No
CVE-2025-21172High7.52.4%No
CVE-2025-21173High7.32.4%No

Scope and sources

Affected products
Also released in January 2025

KB5049981

121 CVEs · Critical · exploited

KB5049984

128 CVEs · Critical · exploited

KB5050009

128 CVEs · Critical · exploited

KB5050021

121 CVEs · Critical · exploited

KB5049983

122 CVEs · Critical

KB5049993

112 CVEs · Critical

KB5050004

93 CVEs · Critical

KB5050006

71 CVEs · Critical

The full month, summarized: Microsoft Patch Tuesday.

Authoritative references
Official KB5050525 page (Microsoft Support)Microsoft Update CatalogMicrosoft Security Update Guide

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

New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
Provided as is, without warranty; verify against the vendor advisory before acting. Data notice and terms.