CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2026-55003: Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

mediumCVSS 6.5CVE-2026-55003
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.

CSIRTS triage

vendor: Microsoftproduct: Windows Remote Desktop Protocol (RDP)Information disclosure
What
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
Who is affected
Users of Windows RDP are affected.
Urgency
Remediation is important due to the medium severity and risk of information disclosure.
Action
Update Windows RDP to the latest version.

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

⚡ Watch Windows Remote Desktop Protocol (RDP)

Get an email when a new Windows Remote Desktop Protocol (RDP) advisory drops — max one per day, one-click unsubscribe.

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-2026-55003

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-2026-55003coverage & 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