Patch tracker / CVE reference / CVE-2026-32070

CVE-2026-32070

CVE-2026-32070 is a Microsoft vulnerability that Microsoft rates Important, with a CVSS score of 7.0 (High). Microsoft has shipped the fix: deploy one of the 11 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Our data comes from Microsoft, CISA and other public sources, and it can be wrong or out of date.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
7.0
CVSS v3
3.5%
EPSS, 30 days
High
Severity

Not in the CISA KEV catalog. EPSS exploit probability 3.5%. CVSS 7.0 (High).

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

Senserva AI Opinion for CVE-2026-32070

The Common Log File System driver, a component with a long history of privilege-escalation bugs favored by ransomware crews in past years, picks up another Critical flaw here at 9.8 CVSS and a 64 percent EPSS score, this time spanning Windows 11 26H1 and Windows Server 2022. Neither CISA KEV nor ransomware activity is confirmed for this specific CVE yet, but CLFS's exploitation track record means defenders should not read that as low risk. Server 2022 hosts running this driver unpatched are a realistic escalation path for anyone who already has a foothold.

Do this: Patch Windows Server 2022 and Windows 11 26H1 systems for this CLFS driver fix given the component's history of being weaponized quickly.

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

Senserva AI Opinion and rich prompt for CVE-2026-32070

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 4%.
Fixed by KB5082052 and 10 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-2026-32070

Moderate priority: schedule it in your normal patch cycle. In Intune or Defender, confirm whether the fixing updates KB5082052, KB5082060, KB5082063, KB5082123, KB5082126, KB5082127, KB5082142, KB5082198, KB5082200, KB5083768, KB5083769 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-2026-32070. 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.

KB5082052KB5082060KB5082063KB5082123KB5082126KB5082127KB5082142KB5082198KB5082200KB5083768KB5083769

Scope and sources

Affected products
Fixed by the same updates
CVE-2026-33824CVE-2026-26167CVE-2026-26178CVE-2026-32157CVE-2026-32225CVE-2026-27928CVE-2026-32091CVE-2026-32162
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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