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Mallory
High

Windows Shell SmartScreen/MotW Security Feature Bypass

IdentifiersCVE-2026-32225CWE-693· Protection Mechanism Failure

CVE-2026-32225 is an Important Windows Shell security feature bypass vulnerability caused by a protection mechanism failure. According to the provided content, the flaw allows an unauthorized attacker to bypass SmartScreen protections that rely on Mark of the Web (MotW) to identify files originating from the internet. Exploitation involves convincing a user to open a specially crafted .lnk shortcut file delivered via email, website download, or removable media. When opened, Windows may launch commands or Control Panel applets without proper MotW handling, which can in turn enable arbitrary command execution or the loading of attacker-controlled DLLs.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation bypasses SmartScreen/MotW trust controls intended to warn or restrict execution of internet-originated content. The provided content indicates this can lead to execution of commands or Control Panel applets without proper protection handling, potentially resulting in arbitrary command execution or loading of attacker-controlled DLLs. Microsoft assessed confidentiality, integrity, and availability impact as High.

Mitigation

If you can’t patch tonight, do this now.

Until patches are fully deployed, reduce exposure by blocking or tightly controlling delivery and execution of untrusted .lnk files from email, web downloads, and removable media; enforce SmartScreen and attachment filtering policies; restrict shortcut execution from untrusted or user-writable locations where feasible; and instruct users not to open suspicious shortcut files or links from untrusted sources.

Remediation

Patch, then assume compromise.

Apply Microsoft's official security update for CVE-2026-32225 on all affected Windows systems. The provided content states that an official fix was available at publication time through Microsoft's relevant Windows security updates.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Microsoft CorporationWindows 10 1607operating_system
Microsoft CorporationWindows 10 1809operating_system
Microsoft CorporationWindows 10 21h2operating_system
Microsoft CorporationWindows 10 22h2operating_system
Microsoft CorporationWindows 11 23h2operating_system
Microsoft CorporationWindows 11 24h2operating_system
Microsoft CorporationWindows 11 25h2operating_system
Microsoft CorporationWindows 11 26h1operating_system
Microsoft CorporationWindows Server 2012operating_system
Microsoft CorporationWindows Server 2012 R2operating_system
Microsoft CorporationWindows Server 2016operating_system
Microsoft CorporationWindows Server 2019operating_system
Microsoft CorporationWindows Server 2022operating_system
Microsoft CorporationWindows Server 2022 23h2operating_system
Microsoft CorporationWindows Server 2025operating_system
Microsoft CorporationWindows Server 23h2operating_system
Microsoft CorporationWindows Shelloperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures1

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity5

Community discussion across Reddit, Mastodon, and other social sources.