CVE-2026-32149

HIGHNVD 7.37.3—

7.3

Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.

CVSS v3: 7.3
EG Score: 7.3(medium)
EPSS: 32.0%
KEV: Not listed

Published

April 14, 2026

Last Modified

April 20, 2026

References (1)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32149

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Microsoft MSRCCVE-2026-321492026-04-14
Windows Hyper-V Remote Code Execution Vulnerability

Data Freshness Timeline

(refreshed 17× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2026-32149?

CVE-2026-32149 is a high vulnerability published on April 14, 2026. Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.

When was CVE-2026-32149 disclosed?

CVE-2026-32149 was first published in the National Vulnerability Database on April 14, 2026, with the most recent update on April 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-32149 actively exploited?

CVE-2026-32149 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-32149?

CVE-2026-32149 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2026-32149?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-32149, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-32149

Published

Last Modified

References (1)

Weakness Classification(3)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-32149?

Same vendor

Same CWE

CVE-2026-32149

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(3)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-32149?

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References (1)

Frequently asked(5)

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