How severe is CVE-2026-32202?

CVE-2026-32202 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-32202 being actively exploited?

Yes. CVE-2026-32202 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-04-28, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2026-32202?

CVE-2026-32202 primarily affects Microsoft Windows 10 1607. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-32202?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2026-32202 have an EU (EUVD) identifier?

Yes. CVE-2026-32202 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22589. It is also flagged as exploited in the EUVD (since 2026-04-28).

When was CVE-2026-32202 published?

CVE-2026-32202 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-32202

CVE-2026-32202 is a medium-severity vulnerability in Microsoft Windows 10 1607 with a CVSS 3.x base score of 4.3. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-04-28). The underlying weakness is classified as CWE-693.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 64% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-04-28)
EU (EUVD) id: EUVD-2026-22589
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2026-04-28)
Weakness: CWE-693
Affected product: Microsoft Windows 10 1607
Published: 2026-04-14
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-32202?: Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
How severe is CVE-2026-32202?: CVE-2026-32202 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-32202 being actively exploited?: Yes. CVE-2026-32202 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-04-28, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-32202?: CVE-2026-32202 primarily affects Microsoft Windows 10 1607. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-32202?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2026-32202 have an EU (EUVD) identifier?: Yes. CVE-2026-32202 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22589. It is also flagged as exploited in the EUVD (since 2026-04-28).
When was CVE-2026-32202 published?: CVE-2026-32202 was published on 2026-04-14 and last updated on 2026-06-17.

References

Affected products (25)

cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

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