Patch tracker / CVE reference / CVE-2025-62456

CVE-2025-62456

CVE-2025-62456 is a Microsoft vulnerability that Microsoft rates Important, with a CVSS score of 8.8 (High). Microsoft has shipped the fix: deploy one of the 6 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

Our data comes from Microsoft, CISA and other public sources, and it can be wrong or out of date. If you are unsure, check the linked source before you act, and tell us when we are wrong so we can fix it.

Risk summary

High
8.8
CVSS v3
4.6%
EPSS, 30 days
High
Severity

Not in the CISA KEV catalog. EPSS exploit probability 4.6%. CVSS 8.8 (High).

This CVE is among the top half of tracked Microsoft CVEs by EPSS exploit probability.

Senserva AI Opinion for CVE-2025-62456

A Remote Code Execution flaw in the Resilient File System (ReFS), rated High Severity (CVSS 8.8), affecting Windows 11 25H2 and Windows Server 2022. File-system-level bugs in this class typically trigger when a crafted volume or disk image gets mounted, and ReFS use concentrates on storage servers, backup targets, and Dev Drive volumes on developer machines. EPSS is 5% with no confirmed exploitation.

Do this: Patch storage and backup servers running ReFS volumes first, and restrict who can attach external disks or mount images on them.

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

Senserva AI Opinion and rich prompt for CVE-2025-62456

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

Schedule normally
No exploitation observed as of 2026-10-19: not in the CISA KEV catalog, EPSS 5%.
Fixed by KB5071413 and 5 more (by build, listed below). Download from the Microsoft Update Catalog, or deploy via Windows Update, Intune, or WSUS.
Do this now: Deploy with your normal update cycle. This page refreshes daily; the verdict changes the day the data does.

Official patch(es) for CVE-2025-62456

Moderate priority: schedule it in your normal patch cycle. In Intune or Defender, confirm whether the fixing updates KB5071413, KB5071417, KB5071542, KB5071547, KB5072014, KB5072033 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.

Apply the Microsoft security updates below to fix CVE-2025-62456. Each KB page carries the Microsoft Update Catalog download, Microsoft's known issues for the update, a copy-paste PowerShell check for whether it is installed, and the Senserva AI read.

KB5071413KB5071417KB5071542KB5071547KB5072014KB5072033

Scope and sources

Affected products
Fixed by the same updates
CVE-2025-60710CVE-2025-62221CVE-2025-62549CVE-2025-54100CVE-2025-55233CVE-2025-59516CVE-2025-59517CVE-2025-62454
Authoritative references
Official CVE record (cve.org)NVD detailMicrosoft MSRCFIRST.org EPSS

Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See 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.
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