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CVE-2026-50376: Windows Remote Desktop Client Information Disclosure Vulnerability

mediumCVSS 6.5CVE-2026-50376
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.

CSIRTS triage

vendor: Microsoftproduct: WindowsInformation disclosure
What
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
Who is affected
Unauthorized users attempting to exploit the Windows Remote Desktop Protocol.
Urgency
Remediation is medium due to the moderate severity of the vulnerability.
Action
Apply the latest security patch for Windows RDP.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 6.5
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50376

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-50376coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Windows Remote Desktop

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center