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CVE-2026-32202

Microsoft Windows Protection Mechanism Failure Vulnerability

Published Apr 14, 2026Sources checked Nov 12, 2026
4.3MEDIUMCVSS out of 10
What this means

Actively exploited

CISA lists CVE-2026-32202 in its Known Exploited Vulnerabilities catalog, which means exploitation has been observed. The entry applies to Microsoft Windows.

  • Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Public exploit: Cataloged public exploit.

What to do next

Remediation and response

  • Review the linked vendor advisory and apply the mitigation or fixed release for your affected product.

Microsoft Security Response Center guidance

Vendor revision: Aug 21, 2026
Vendor remediation details

Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5099414. Install KB5099535. Install KB5099445. Install KB5099444. Install KB5101649.

Vendor-listed releases

  • 10.0.17763.9020
  • 10.0.20348.5386
  • 10.0.19044.7548
  • 10.0.19045.7548
  • 10.0.26100.33158
  • 10.0.26200.8875
  • 10.0.22631.7376
  • 10.0.26100.8875
  • 10.0.14393.9339
  • 6.2.9200.26226
  • 6.3.9600.23291
  • 10.0.28000.2525
CISA KEVListedObserved exploitation
EPSS70.9%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview

What is CVE-2026-32202?

Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.

Source: NVD

Reported activity

Microsoft exploitation status: Exploited:Yes

Microsoft Security Response Center · Published Aug 21, 2026
CISA says:Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.CISA catalog due date May 12, 2026