cve 2026 56171

The cve 2026 56171 tag covers Microsoft’s information disclosure vulnerability in Windows Remote Desktop Protocol (RDP). The issue was added to the July 2026 security-update cycle after Microsoft published its advisory on July 16, two days after Patch Tuesday. This archive focuses on what administrators currently know about the vulnerability, including its affected component and impact classification. Microsoft has confirmed that the vulnerability exists, but the public entry provides limited technical detail so far. Available information does not yet identify affected Windows versions, the root cause, CVSS score, attack prerequisites, or whether exploitation has occurred, making this tag useful for tracking further advisory updates and remediation guidance.