Patch tracker / CVE reference / CVE-2026-45585

CVE-2026-45585

CVE-2026-45585 is a Microsoft vulnerability that Microsoft rates Important, with a CVSS score of 6.8 (Medium). Microsoft has shipped the fix: deploy one of the 3 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

Risk summary

Medium
6.8
CVSS v3
2.6%
EPSS, 30 days
Medium
Severity

Not in the CISA KEV catalog. EPSS exploit probability 2.6%. CVSS 6.8 (Medium).

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

Senserva AI Opinion for CVE-2026-45585

This BitLocker Security Feature Bypass carries a Critical rating with a CVSS score of 9.8, unusual for a bypass class flaw that normally sits lower, and it spans Windows Server 2025 Server Core plus Windows 11 24H2 and 25H2 on x64. With a 48 percent EPSS score, the probability of exploit activity is high even though it is not yet in CISA KEV or tied to ransomware. A BitLocker bypass matters most for lost, stolen, or physically accessible devices where disk encryption is your last defense.

Do this: Deploy the Microsoft patch for CVE-2026-45585 to all Windows 11 24H2, 25H2, and Server 2025 Server Core systems, prioritizing laptops and any physically exposed hardware.

AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for CVE-2026-45585

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

Schedule normally
No exploitation observed as of 2026-10-14: not in the CISA KEV catalog, EPSS 3%.
Fixed by KB5094125 and 2 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-2026-45585

Lower priority: patch in your normal cycle. In Intune or Defender, confirm whether the fixing updates KB5094125, KB5094126, KB5095051 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-2026-45585. 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.
All information provided as is, without warranty; verify against the vendor advisory before acting. All information and usage is subject to the Senserva EULA. Data notice and terms.