Known Exploited Vulnerability
4.3
MEDIUM CVSS 3.1
CVE-2026-32202
Microsoft Windows Protection Mechanism Failure Vulnerability - [Actively Exploited]
Description

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

INFO

Published Date :

April 14, 2026, 6:17 p.m.

Last Modified :

April 28, 2026, 9:47 p.m.

Remotely Exploit :

No
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Microsoft Windows Shell contains a protection mechanism failure vulnerability that allows an unauthorized attacker to perform spoofing over a network.

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.

Known Ransomware Campaign Use:

Unknown

Notes :

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-32202 ; https://nvd.nist.gov/vuln/detail/CVE-2026-32202

Affected Products

The following products are affected by CVE-2026-32202 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows_server_2012
2 Microsoft windows_server_2016
3 Microsoft windows_server_2019
4 Microsoft windows_10_1607
5 Microsoft windows_10_1809
6 Microsoft windows_10_21h2
7 Microsoft windows_10_22h2
8 Microsoft windows_server_2022
9 Microsoft windows_11_23h2
10 Microsoft windows_server_2022_23h2
11 Microsoft windows_server_23h2
12 Microsoft windows_server_2012_r2
13 Microsoft windows_11_24h2
14 Microsoft windows_server_2025
15 Microsoft windows_11_25h2
16 Microsoft windows_11_26h1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM f38d906d-7342-40ea-92c1-6c4a2c6478c8
CVSS 3.1 MEDIUM [email protected]
Public PoC/Exploit Available at Github

CVE-2026-32202 has a 7 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-32202.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202 Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202 US Government Resource Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-32202 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-32202 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

security scan and patch for linux system

Shell

Updated: 3 days, 1 hour ago
0 stars 0 fork 0 watcher
Born at : May 2, 2026, 10:19 a.m. This repo has been linked 12 different CVEs too.

Windows Shell Spoofing Vulnerability

Python

Updated: 5 days, 4 hours ago
0 stars 0 fork 0 watcher
Born at : April 30, 2026, 5:34 p.m. This repo has been linked 2 different CVEs too.

None

Updated: 6 days, 6 hours ago
0 stars 0 fork 0 watcher
Born at : April 30, 2026, 10:12 a.m. This repo has been linked 1 different CVEs too.

None

HTML TypeScript CSS Shell

Updated: 1 week ago
0 stars 0 fork 0 watcher
Born at : April 19, 2026, 11:07 p.m. This repo has been linked 1 different CVEs too.

to keep up the GitHub contributions

Python

Updated: 1 week ago
1 stars 0 fork 0 watcher
Born at : Jan. 29, 2026, 7:27 p.m. This repo has been linked 3 different CVEs too.

tech news

Python

Updated: 1 week, 1 day ago
0 stars 0 fork 0 watcher
Born at : Dec. 3, 2025, 12:31 a.m. This repo has been linked 1 different CVEs too.

None

PowerShell Shell

Updated: 1 week ago
1 stars 0 fork 0 watcher
Born at : Dec. 30, 2024, 12:41 p.m. This repo has been linked 5 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-32202 vulnerability anywhere in the article.

  • The Hacker News
Critical Apache HTTP/2 Flaw (CVE-2026-23918) Enables DoS and Potential RCE

The Apache Software Foundation (ASF) has released security updates to address several security vulnerabilities in the HTTP Server, including a severe vulnerability that could potentially lead to remot ... Read more

Published Date: May 05, 2026 (1 day ago)
  • The Hacker News
MetInfo CMS CVE-2026-29014 Exploited for Remote Code Execution Attacks

Threat actors are actively exploiting a critical security flaw impacting an open-source content management system (CMS) known as MetInfo, according to new findings from VulnCheck. The vulnerability in ... Read more

Published Date: May 05, 2026 (1 day, 5 hours ago)
  • The Hacker News
Weaver E-cology RCE Flaw CVE-2026-22679 Actively Exploited via Debug API

A critical security vulnerability in Weaver (Fanwei) E-cology, an enterprise office automation (OA) and collaboration platform, has come under active exploitation in the wild. The vulnerability (CVE-2 ... Read more

Published Date: May 05, 2026 (1 day, 9 hours ago)
  • The Hacker News
Progress Patches Critical MOVEit Automation Bug Enabling Authentication Bypass

Progress Software has released updates to address two security flaws in MOVEit Automation, including a critical bug that could result in an authentication bypass. MOVEit Automation (formerly Central) ... Read more

Published Date: May 04, 2026 (2 days ago)
  • The Hacker News
CISA Adds Actively Exploited Linux Root Access Bug CVE-2026-31431 to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a recently disclosed security flaw impacting various Linux distributions to its Known Exploited Vulnerabilities (KEV) c ... Read more

Published Date: May 03, 2026 (3 days, 10 hours ago)
  • The Hacker News
China-Linked Hackers Target Asian Governments, NATO State, Journalists, and Activists

Cybersecurity researchers have disclosed details of a new China-aligned espionage campaign targeting government and defense sectors across South, East, and Southeast Asia, along with one European gove ... Read more

Published Date: May 01, 2026 (5 days, 3 hours ago)
  • The Hacker News
New Linux 'Copy Fail' Vulnerability Enables Root Access on Major Distributions

Cybersecurity researchers have disclosed details of a Linux local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root. The high-severity vulnerability tracked as ... Read more

Published Date: Apr 30, 2026 (6 days, 7 hours ago)
  • The Hacker News
Google Fixes CVSS 10 Gemini CLI CI RCE and Cursor Flaws Enable Code Execution

Google has addressed a maximum severity security flaw in Gemini CLI -- the "@google/gemini-cli" npm package and the "google-github-actions/run-gemini-cli" GitHub Actions workflow -- that could have al ... Read more

Published Date: Apr 30, 2026 (6 days, 9 hours ago)
  • The Register
Microsoft's patch for a 0-day exploited by Russian spies fell short. Another Windows flaw is under attack

Microsoft and the US Cybersecurity and Infrastructure Security Agency (CISA) warned that attackers are exploiting a zero-click Windows flaw that can expose sensitive information on vulnerable systems. ... Read more

Published Date: Apr 29, 2026 (6 days, 21 hours ago)
  • CybersecurityNews
CISA Warns Microsoft Windows Shell 0-click Vulnerability Exploited in Attacks

The Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning regarding a critical zero-day vulnerability in Microsoft Windows. On April 28, 2026, the agency officially adde ... Read more

Published Date: Apr 29, 2026 (1 week ago)
  • The Hacker News
CISA Adds Actively Exploited ConnectWise and Windows Flaws to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added two security flaws impacting ConnectWise ScreenConnect and Microsoft Windows to its Known Exploited Vulnerabilities (K ... Read more

Published Date: Apr 29, 2026 (1 week ago)
  • TheCyberThrone
CISA adds Two vulnerabilities to KEV catalog

April 29, 2026CISA has added two vulnerabilities to its Known Exploited Vulnerabilities catalog based on evidence of active exploitation — CVE-2024-1708, a ConnectWise ScreenConnect path traversal vul ... Read more

Published Date: Apr 29, 2026 (1 week ago)
  • CybersecurityNews
New Windows 0-Click Vulnerability Exploited to Bypass Defender SmartScreen

A critical zero-click authentication coercion vulnerability, tracked as CVE-2026-32202, stemming from an incomplete patch for a Windows Shell security feature bypass actively weaponized by the Russian ... Read more

Published Date: Apr 28, 2026 (1 week, 1 day ago)
  • The Hacker News
Microsoft Confirms Active Exploitation of Windows Shell CVE-2026-32202

Microsoft on Monday revised its advisory for a now-patched, high-severity security flaw impacting Windows Shell to acknowledge that it has been actively exploited in the wild. The vulnerability in que ... Read more

Published Date: Apr 28, 2026 (1 week, 1 day ago)

The following table lists the changes that have been made to the CVE-2026-32202 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Apr. 28, 2026

    Action Type Old Value New Value
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202 Types: Third Party Advisory, US Government Resource
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Apr. 28, 2026

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Apr. 28, 2026

    Action Type Old Value New Value
    Added Date Added 2026-04-28
    Added Due Date 2026-05-12
    Added 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.
    Added Vulnerability Name Microsoft Windows Protection Mechanism Failure Vulnerability
  • Initial Analysis by [email protected]

    Apr. 20, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.14393.9060 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.14393.9060 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.8644 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.8644 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.19044.7184 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.19044.7184 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.19044.7184 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.19045.7184 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.19045.7184 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.19045.7184 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.22631.6936 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.22631.6936 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26100.8246 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26100.8246 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26200.8246 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26200.8246 *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.28000.1836 *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.28000.1836 *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.9060 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.8644 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.5020 *cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.25398.2274 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.32690
    Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Apr. 14, 2026

    Action Type Old Value New Value
    Added Description Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
    Added CWE CWE-693
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.