CVE & CISA-KEV Catalog

CVE-2026-32202

HIGHCISA KEVEPSS 99th pctl
4.3
CVSS v3
NVD

Description

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

How to fix

Remediation Available
Windows 10 Version 1607Windows
Install:KB5082198Microsoft
Install:KB5099535Microsoft
Windows 10 Version 1809Windows
Install:KB5082123Microsoft
Install:KB5099538Microsoft
Windows 10 Version 21H2Windows
Install:KB5099539Microsoft
Install:KB5082200Microsoft
Windows 10 Version 22H2Windows
Install:KB5082200Microsoft
Install:KB5099539Microsoft
Windows 11 Version 23H2Windows
Install:KB5099414Microsoft
Install:KB5082052Microsoft
Windows 11 Version 24H2Windows
Install:KB5082063Microsoft
Install:KB5101650Microsoft
Install:KB5083769Microsoft
Windows 11 Version 25H2Windows
Install:KB5083769Microsoft
Install:KB5101650Microsoft
Windows 11 Version 26H1Windows
Install:KB5083768Microsoft
Install:KB5101649Microsoft
Windows 11 version 26H1Windows
Install:KB5101649Microsoft
Install:KB5083768Microsoft
Windows Server 2012Windows
Install:KB5099445Microsoft
Install:KB5082127Microsoft
Windows Server 2012 (Server Core installation)Windows
Install:KB5099445Microsoft
Install:KB5082127Microsoft
Windows Server 2012 R2Windows
Install:KB5082126Microsoft
Install:KB5099444Microsoft
Windows Server 2012 R2 (Server Core installation)Windows
Install:KB5082126Microsoft
Install:KB5099444Microsoft
Windows Server 2016Windows
Install:KB5082198Microsoft
Install:KB5099535Microsoft
Windows Server 2016 (Server Core installation)Windows
Install:KB5099535Microsoft
Install:KB5082198Microsoft
Windows Server 2019Windows
Install:KB5082123Microsoft
Install:KB5099538Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5082123Microsoft
Install:KB5099538Microsoft
Windows Server 2022Windows
Install:KB5099540Microsoft
Install:KB5082142Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5082142Microsoft
Install:KB5099540Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)Windows
Install:KB5082060Microsoft
Windows Server 2025Windows
Install:KB5099536Microsoft
Install:KB5082063Microsoft
Windows Server 2025 (Server Core installation)Windows
Install:KB5082063Microsoft
Install:KB5099536Microsoft

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

63.69%probability of exploitation in 30 days
99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-05-12

References

Vendor Advisory1
Mitigation1
Third-Party Advisory2

Related Vulnerabilities

Other CWE-693 (Protection Mechanism Failure) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2013-2465Critical9.899%KEV + Ransom-
CVE-2024-21412High8.195%KEV + RansomFix
CVE-2013-0431Medium5.390%KEV + Ransom-
CVE-2019-1003030Critical9.976%KEV-
CVE-2025-40536High8.172%KEVFix
CVE-2025-0411High7.067%KEVFix

Common questions

How do I fix CVE-2026-32202?

Published advisories record a fix for 22 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-32202 being actively exploited?

Yes. CVE-2026-32202 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2026-05-12. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2026-32202?

CVE-2026-32202 has a CVSS v3 base score of 4.3, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-32202 affect?

Published advisories record a fix for Windows 10 Version 1607 (Windows), Windows 10 Version 1809 (Windows), Windows 10 Version 21H2 (Windows), Windows 10 Version 22H2 (Windows), and 18 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2026-32202 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-26.