CVE-2026-26151

HIGHNVD 7.17.1—

7.1

Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.

CVSS v3: 7.1
EG Score: 7.1(medium)
EPSS: 23.9%
KEV: Not listed

Published

April 14, 2026

Last Modified

May 26, 2026

References (3)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26151
af854a3a-2127-422b-91ae-364da2661108https://www.vicarius.io/vsociety/posts/cve-2026-26151-detection-script-spoofing-vulnerability-affecting-windows-remote-desktop
af854a3a-2127-422b-91ae-364da2661108https://www.vicarius.io/vsociety/posts/cve-2026-26151-mitigation-script-spoofing-vulnerability-affecting-windows-remote-desktop

Vendor Advisories for CVE-2026-26151(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-wgw8-32pr-g2q8
GitHub Security AdvisoriesHigh
Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized...

Weakness Classification(1)

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

CWE-357

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-2026-261512026-04-14
Remote Desktop Spoofing Vulnerability

Data Freshness Timeline

(refreshed 15× 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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2026-05-29 13:44 UTCepss_batch
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Frequently asked(5)

What is CVE-2026-26151?

CVE-2026-26151 is a high vulnerability published on April 14, 2026. Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.

When was CVE-2026-26151 disclosed?

CVE-2026-26151 was first published in the National Vulnerability Database on April 14, 2026, with the most recent update on May 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-26151 actively exploited?

CVE-2026-26151 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-26151?

CVE-2026-26151 has a CVSS v3 base score of 7.1 (NVD).

How do I remediate CVE-2026-26151?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-26151, 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-2026-26151

📅 Published

🔄 Last Modified

🔗 References (3)

📣 Vendor Advisories for CVE-2026-26151(1)