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CVE-2026-32202

Windows Shell Spoofing Vulnerability

Exploited in the wild. In CISA KEV since 2026‑04‑28. Fixed versions are out.

CVSS 3.14.3MediumEPSS percentile92nd4.9% chance in 30 daysCISA KEVListedsince 2026-04-28, due 2026-05-12
No public exploit knownFix5 products10 fixed builds listed below

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Microsoft Windows 10 Version 1607Affected: ≥ 10.0.14393.0, < 10.0.14393.9339Upgrade to: 10.0.14393.9339Affected: ≥ 10.0.17763.0, < 10.0.17763.9020Upgrade to: 10.0.17763.9020Affected: ≥ 10.0.19044.0, < 10.0.19044.7548Upgrade to: 10.0.19044.7548Affected: ≥ 10.0.19045.0, < 10.0.19045.7548Upgrade to: 10.0.19045.7548Stated by: CVE record
  • Microsoft Windows 11 version 23H2Affected: ≥ 10.0.22631.0, < 10.0.22631.7376Upgrade to: 10.0.22631.7376Affected: ≥ 10.0.26100.0, < 10.0.26100.8875Upgrade to: 10.0.26100.8875Affected: ≥ 10.0.26200.0, < 10.0.26200.8875Upgrade to: 10.0.26200.8875Affected: ≥ 10.0.28000.0, < 10.0.28000.2525Upgrade to: 10.0.28000.2525Stated by: CVE record
  • Microsoft Windows Server 2012Affected: ≥ 6.2.9200.0, < 6.2.9200.26226Upgrade to: 6.2.9200.26226Stated by: CVE record
  • Microsoft Windows Server 2012 R2Affected: ≥ 6.3.9600.0, < 6.3.9600.23291Upgrade to: 6.3.9600.23291Stated by: CVE record
  • Microsoft Windows Server 2016Affected: ≥ 10.0.14393.0, < 10.0.14393.9339Upgrade to: 10.0.14393.9339Stated by: CVE record

Versions as the sources state them. 3 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

Coverage timeline

1 publisher

  1. Technical analysis published

    ·Help Net Security summary

  2. Exploitation reported in the wild

    ·Help Net Security summary

  3. Added to CISA KEV catalog

    ·CISA KEV

Sourced from public security reporting — each date is when it was published, not when it happened.

What it is

From the CVE record

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

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS92nd
CISA KEV
CISA KEV

Listed as exploited in the wild since 2026-04-28.

US federal agencies must remediate by 2026-05-12.

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

4.9% chance of exploitation activity in the next 30 days, which ranks it in the 92nd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Attention now

Sustained.

Lifecycle

20 events over 169 days, from the signal feeds we watch.

  1. EPSS band changehigh → low
  2. EPSS band changehigh → lowepss band change
  3. Patch availableworkaround available, record updated
  4. EPSS band changemoderate → high
  5. EPSS band changemoderate → high
  6. EPSS band changemoderate → high

Affected products

And 48 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 4.3 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality LowSome restricted information is disclosed, but limited in scope
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

Sources

References in the record

And 3 more references. See all after sign-in

In the news

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next exploited one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Windows 10 Version 1607, not every advisory. This one: actively exploited.