CVE-2026-32202: Microsoft Windows 10 Version 1607 · Protection Mechanism Failure
Affects Microsoft Windows 10 Version 1607Source CVE Database V5
Exploited in the wild · KEV due 12 May 2026 · public exploit available (Exploit-DB) · 70% EPSS : upgrade to 10.0.14393.9339 now.
Data as of 30 Oct 2026, 11:52 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
- EPSS
- 70.9% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 10.0.14393.9339, 10.0.17763.9020, 10.0.19044.7548 +9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:F/RL:O/RC:CExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 14 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 14 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by Microsoft Corporation
, 34 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, 35 minutes after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 14 days after disclosure
KEV remediation due
US federal deadline
, 28 days after disclosure
First Exploit-DB entry (opens in a new tab)
Microsoft - NTLMv2 Hash Capture
, 45 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| MicrosoftWindows 10 Version 1607 | Affected
| Fixed in
|
| MicrosoftWindows 10 Version 1809 | Affected
| Fixed in
|
| MicrosoftWindows 10 Version 21H2 | Affected
| Fixed in
|
| MicrosoftWindows 10 Version 22H2 | Affected
| Fixed in
|
| MicrosoftWindows 11 version 23H2 | Affected
| Fixed in
|
| MicrosoftWindows 11 Version 23H2 | Affected
| Fixed in
|
Description
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202 (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202 (opens in a new tab)
- vicarius.io/vsociety/posts/cve-2026-32202-detection-script-spoofing-vulnerability-in-windows-shell (opens in a new tab)
- vicarius.io/vsociety/posts/cve-2026-32202-mitigation-script-spoofing-vulnerability-in-windows-shell (opens in a new tab)