Patch tracker / CVE reference / CVE-2025-53723

CVE-2025-53723

CVE-2025-53723 is a Microsoft vulnerability that Microsoft rates Important, with a CVSS score of 7.8 (High). Its EPSS score puts the probability of exploitation in the next 30 days at 51%. Microsoft has shipped the fix: deploy one of the 12 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

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Microsoft rates it Important. CVSS 7.8 (High). Fixed by 12 Microsoft security updates.

Senserva AI read on CVE-2025-53723Official patches for CVE-2025-53723Change historyAdmin questions

Risk summary

High
7.8
CVSS v3
51%
EPSS, 30 days
High
Severity

Not in the CISA KEV catalog. EPSS exploit probability 51%. CVSS 7.8 (High).

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

Senserva AI Opinion for CVE-2025-53723

Yet another Critical Severity (CVSS 9.8) Hyper-V elevation of privilege bug for Windows Server 2019 and Windows 10 1809 x64, with EPSS at 36 percent. The sheer count of Hyper-V escalation fixes this cycle suggests a systematic audit of the hypervisor's privileged interfaces, and the remaining unpatched hosts inherit all of them at once. Server Core installations are included.

Do this: Confirm every Hyper-V host in your Server 2019 clusters has this month's update; do not exempt Server Core nodes.

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

Patch this cycle
Not confirmed exploited yet, but the 30-day exploit probability is high (EPSS 51%).
Fixed by KB5063709 and 11 more (by build, listed below). Download from the Microsoft Update Catalog, or deploy via Windows Update, Intune, or WSUS.
Do this now: Patch in this maintenance window; do not let it slip to the next one.
Senserva AI Opinion and rich prompt for CVE-2025-53723

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

Official patch(es) for CVE-2025-53723

High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing updates KB5063709, KB5063812, KB5063871, KB5063875, KB5063877, KB5063878, KB5063880, KB5063889, KB5063899, KB5063906, KB5063950, KB5064010 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-2025-53723. 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.

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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