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CVE-2026-32202

medium

Description

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

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202

https://www.theregister.com/2026/04/29/microsoft_zero_click_exploit/

https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-windows-flaw-exploited-in-zero-day-attacks/

https://thehackernews.com/2026/04/cisa-adds-actively-exploited.html

https://securityaffairs.com/191442/security/u-s-cisa-adds-microsoft-windows-shell-and-connectwise-screenconnect-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.cisa.gov/news-events/alerts/2026/04/28/cisa-adds-two-known-exploited-vulnerabilities-catalog

https://thehackernews.com/2026/04/microsoft-confirms-active-exploitation.html

https://www.securityweek.com/incomplete-windows-patch-opens-door-to-zero-click-attacks/

Details

Source: Mitre, NVD

Published: 2026-04-14

Updated: 2026-04-28

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.0006

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest