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High

Windows COM Elevation of Privilege Vulnerability

IdentifiersCVE-2026-32162CWE-345

CVE-2026-32162 is an elevation-of-privilege vulnerability in Windows COM caused by acceptance of extraneous untrusted data together with trusted data. The provided content identifies the issue as affecting Windows COM and states that successful exploitation allows privilege escalation to SYSTEM. No further technical detail about the specific vulnerable COM component, code path, or function is available in the provided content.

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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 allows a local attacker to elevate privileges to SYSTEM. This would give the attacker full control over the affected host, enabling execution of code with the highest local privileges, installation of software or persistence mechanisms, credential and sensitive data access, and follow-on lateral movement or defense evasion from a post-compromise position.

Mitigation

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

No specific mitigation or workaround is provided in the supplied content. In the absence of a patch, practical risk reduction would center on limiting local attacker footholds, restricting execution of untrusted code, enforcing least privilege, and monitoring for anomalous COM-related privilege-escalation activity, but vendor-specific mitigation details are not available in the provided content.

Remediation

Patch, then assume compromise.

Apply the Microsoft security update for CVE-2026-32162 as provided in the relevant April 2026 Patch Tuesday release and Microsoft Security Update Guide entry. The provided content does not include fixed build numbers, affected version ranges, or product-specific patch identifiers for this vulnerability.
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 CorporationWindowsoperating_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 2019operating_system
Microsoft CorporationWindows Server 2022operating_system
Microsoft CorporationWindows Server 2022 23h2operating_system
Microsoft CorporationWindows Server 2025operating_system
Microsoft CorporationWindows Server 23h2operating_system

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

ACTIVITY FEED

Recent activity

3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

3 SOURCESView more in app
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.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

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 activity1

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

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-32162
NVD
nvd.nist.gov/vuln/detail/CVE-2026-32162
MITRE CWE · CWE-345
cwe.mitre.org
Vendor Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32162