CVE-2026-32202
MediumExploitedPublic exploitWindows Shell Spoofing Vulnerability
Published Apr 14, 2026 · Updated Oct 15, 2026
Key Facts
Patch immediately- CVE-2026-32202 is a medium-severity vulnerability (CVSS 4.3 v3.1) affecting Windows 10 1607 (Microsoft), Windows 10 1809 (Microsoft), windows 10 21H2 (Microsoft) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 14, 2026. Public exploit code is available.
- EPSS estimates a 4.9% probability of exploitation in the next 30 days.
- Fixed versions are available, including dotnet10-runtime 10.0.6-r0, dotnet8-runtime 8.0.26-r0, dotnet9-runtime 9.0.15-r0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS (30-day exploit likelihood)
4.9%
Higher than 91.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-32202 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Apr 28, 2026 | May 12, 2026 | Not reported |
| Industry KEV feed | Apr 14, 2026 | May 12, 2026 | Not reported |
| CIRCL KEV | Apr 28, 2026 | May 12, 2026 | Not reported |
| ENISA EUVD | Apr 28, 2026 | n/a | Not reported |
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.
Affected Products
95 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 1607Microsoft | 10.0.14393.9060 | 10.0.14393.9060 |
| Windows 10 1809Microsoft | 10.0.17763.8644 | 10.0.17763.8644 |
| windows 10 21H2Microsoft | 10.0.19044.7184 | 10.0.19044.7184 |
| windows 10 22H2Microsoft | 10.0.19045.7184 | 10.0.19045.7184 |
| windows 11 23H2Microsoft | 10.0.22631.6936 | 10.0.22631.6936 |
Patched Releases
dotnet10-runtime
10.0.6-r0
dotnet8-runtime
8.0.26-r0
dotnet9-runtime
9.0.15-r0
Windows 10 1607
10.0.14393.9060, 10.0.14393.9339
Windows 10 1809
10.0.17763.8644, 10.0.17763.9020
windows 10 21H2
10.0.19044.7184, 10.0.19044.7548
windows 10 22H2
10.0.19045.7184, 10.0.19045.7548
windows 11 23H2
10.0.22631.6936, 10.0.22631.7376
windows 11 24H2
10.0.26100.8246, 10.0.26100.8875
windows 11 25H2
10.0.26200.8246, 10.0.26200.8875
windows 11 26H1
10.0.28000.1836, 10.0.28000.2525
Windows Server 2012
6.2.9200.26226, 6.2.9200.26026
windows server 2012 R2
6.3.9600.23291, 6.3.9600.23132
Windows Server 2016
10.0.14393.9060, 10.0.14393.9339
Windows Server 2019
10.0.17763.8644, 10.0.17763.9020
Windows Server 2022
10.0.20348.5020, 10.0.20348.5386
Windows Server 2022 23h2
10.0.25398.2274
Windows Server 2025
10.0.26100.32690, 10.0.26100.33158
Windows 10 Version 1607
10.0.14393.9060, 10.0.14393.9339
Windows 10 Version 1809
10.0.17763.8644, 10.0.17763.9020
Windows 10 Version 21H2
10.0.19044.7184, 10.0.19044.7548
Windows 10 Version 22H2
10.0.19045.7184, 10.0.19045.7548
Windows 11 version 22H3
10.0.22631.6936
Windows 11 version 23H2
10.0.22631.7376, 10.0.22631.6936
Windows 11 Version 24H2
10.0.26100.8246, 10.0.26100.8875
Timeline
Publicly disclosed
Apr 14, 2026
Added to Industry KEV feed
Apr 14, 2026
Added to CISA KEV
Apr 28, 2026
Added to CIRCL KEV
Apr 28, 2026
Added to ENISA EUVD
Apr 28, 2026
Last updated
Oct 15, 2026
Weakness Type
- CWE-693 Protection Mechanism Failure
References
- advisoryWindows Shell Spoofing Vulnerability
- advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202
- advisoryhttps://www.vicarius.io/vsociety/posts/cve-2026-32202-detection-script-spoofing-vulnerability-in-windows-shell
- advisoryhttps://www.vicarius.io/vsociety/posts/cve-2026-32202-mitigation-script-spoofing-vulnerability-in-windows-shell
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
Affected: Windows 10 1607 (Microsoft) versions 10.0.14393.9060; Windows 10 1809 (Microsoft) versions 10.0.17763.8644; windows 10 21H2 (Microsoft) versions 10.0.19044.7184, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 14, 2026.
Yes. It was added on Apr 28, 2026 with a federal remediation due date of May 12, 2026.
Public exploit code is available.
Fixed versions are available, including dotnet10-runtime 10.0.6-r0, dotnet8-runtime 8.0.26-r0, dotnet9-runtime 9.0.15-r0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2026-32202 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo