CVE-2026-32202Windows Shell Spoofing Vulnerability
- 4.3MediumCVSS base score
- 71.3%Exploitation in 30 daysEPSS · top 0.6% of all CVEs
- YesKnown exploitedin CISA's KEV since 28 Apr 2026
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV and ENISA's EU KEV, since 28 Apr 2026.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits1
Exploit-DB1 entry
- Microsoft - NTLMv2 Hash Capture (Exploit-DB entry) (opens in a new tab)
EDB-ID 52601remote, windowspublished 29 May 2026Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By microsoft
- 34 days later
· 34 days later
Published
- 14 days later
· 14 days later
Added to CISA KEV
Known exploited in the wild
- 6 months later
· 6 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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)
- 71.3% · top 0.6% of all CVEs (13 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.
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
References4
- 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)
- EUVD EUVD-2026-22589 (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://cveledger.app/cve/CVE-2026-32202)Record last updated .