How severe is CVE-2026-32202?

CVE-2026-32202 has a CVSS 3.1 base score of 4.3 (MEDIUM). EPSS estimates a 4.9% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2026-32202: Windows Shell Spoofing

CISA Known Exploited Vulnerabilities

Microsoft Windows Protection Mechanism Failure Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2026-04-28

Remediation due

2026-05-12

Required action
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 notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-32202 ; https://nvd.nist.gov/vuln/detail/CVE-2026-32202

Description

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

Severity

CVSS 3.1 · CNA4.3 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
Microsoft	Windows 10 Version 1607	10.0.14393.0 to <10.0.14393.9339
Microsoft	Windows 10 Version 1809	10.0.17763.0 to <10.0.17763.9020
Microsoft	Windows 10 Version 21H2	10.0.19044.0 to <10.0.19044.7548
Microsoft	Windows 10 Version 22H2	10.0.19045.0 to <10.0.19045.7548
Microsoft	Windows 11 version 23H2	10.0.22631.0 to <10.0.22631.7376
Microsoft	Windows 11 Version 23H2	10.0.22631.0 to <10.0.22631.7376
Microsoft	Windows 11 Version 24H2	10.0.26100.0 to <10.0.26100.8875
Microsoft	Windows 11 Version 25H2	10.0.26200.0 to <10.0.26200.8875
Microsoft	Windows 11 version 26H1	10.0.28000.0 to <10.0.28000.2525
Microsoft	Windows Server 2012	6.2.9200.0 to <6.2.9200.26226
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 to <6.2.9200.26226
Microsoft	Windows Server 2012 R2	6.3.9600.0 to <6.3.9600.23291
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 to <6.3.9600.23291
Microsoft	Windows Server 2016	10.0.14393.0 to <10.0.14393.9339
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 to <10.0.14393.9339
Microsoft	Windows Server 2019	10.0.17763.0 to <10.0.17763.9020
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 to <10.0.17763.9020
Microsoft	Windows Server 2022	10.0.20348.0 to <10.0.20348.5386
Microsoft	Windows Server 2025	10.0.26100.0 to <10.0.26100.33158
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 to <10.0.26100.33158

References

3 Links

Vendor advisories

Windows Shell Spoofing Vulnerability

Other references

Record Details

Published

2026-04-14

Last updated

2026-09-25

Assigner (CNA)

microsoft

Credited to

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Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-693 · Protection Mechanism Failure

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.