CVE-2026-32202
Windows Shell Spoofing Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Windows Protection Mechanism Failure Vulnerability.
- Added
- 28 Apr 2026
- Fix due (US federal)
- 12 May 2026
- Used by ransomware
- Not known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | Medium4.3 | 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 |
| NVDNVD · Analyzed | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 70.9% · top 0.6% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
Microsoft · Windows 10 Version 1607
- affected 10.0.14393.0 – < 10.0.14393.9339
Microsoft · Windows 10 Version 1809
- affected 10.0.17763.0 – < 10.0.17763.9020
Microsoft · Windows 10 Version 21H2
- affected 10.0.19044.0 – < 10.0.19044.7548
Microsoft · Windows 10 Version 22H2
- affected 10.0.19045.0 – < 10.0.19045.7548
Microsoft · Windows 11 version 23H2
- affected 10.0.22631.0 – < 10.0.22631.7376
Microsoft · Windows 11 Version 23H2
- affected 10.0.22631.0 – < 10.0.22631.7376
Microsoft · Windows 11 Version 24H2
- affected 10.0.26100.0 – < 10.0.26100.8875
Microsoft · Windows 11 Version 25H2
- affected 10.0.26200.0 – < 10.0.26200.8875
Microsoft · Windows 11 version 26H1
- affected 10.0.28000.0 – < 10.0.28000.2525
Microsoft · Windows Server 2012
- affected 6.2.9200.0 – < 6.2.9200.26226
Microsoft · Windows Server 2012 (Server Core installation)
- affected 6.2.9200.0 – < 6.2.9200.26226
Microsoft · Windows Server 2012 R2
- affected 6.3.9600.0 – < 6.3.9600.23291
Microsoft · Windows Server 2012 R2 (Server Core installation)
- affected 6.3.9600.0 – < 6.3.9600.23291
Microsoft · Windows Server 2016
- affected 10.0.14393.0 – < 10.0.14393.9339
Microsoft · Windows Server 2016 (Server Core installation)
- affected 10.0.14393.0 – < 10.0.14393.9339
Microsoft · Windows Server 2019
- affected 10.0.17763.0 – < 10.0.17763.9020
Microsoft · Windows Server 2019 (Server Core installation)
- affected 10.0.17763.0 – < 10.0.17763.9020
Microsoft · Windows Server 2022
- affected 10.0.20348.0 – < 10.0.20348.5386
Microsoft · Windows Server 2025
- affected 10.0.26100.0 – < 10.0.26100.33158
Microsoft · Windows Server 2025 (Server Core installation)
- affected 10.0.26100.0 – < 10.0.26100.33158
References (4)
- Windows Shell Spoofing Vulnerability (opens in a new tab)vendor-advisorypatch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202 (opens in a new tab)government-resource
- https://www.vicarius.io/vsociety/posts/cve-2026-32202-detection-script-spoofing-vulnerability-in-windows-shell (opens in a new tab)
- https://www.vicarius.io/vsociety/posts/cve-2026-32202-mitigation-script-spoofing-vulnerability-in-windows-shell (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-32202)Record last updated .