CVE-2026-50497

Analyzed Analyzed - Analysis Complete

Off-by-One Error in Windows Remote Desktop Protocol

Publication date: 2026-07-14

Last updated on: 2026-07-22

Assigner: Microsoft Corporation

Description

Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-14

Last Modified

2026-07-22

Generated

2026-08-04

AI Q&A

2026-07-15

EPSS Evaluated

2026-08-02

NVD

CVE-2026-50497

EUVD

EUVD-2026-44111

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2012	r2
microsoft	windows_server_2012	*
microsoft	windows_11_26h1	to 10.0.28000.2269 (exc)
microsoft	windows_10_1607	to 10.0.14393.9339 (exc)
microsoft	windows_10_1607	to 10.0.14393.9339 (exc)
microsoft	windows_10_1809	to 10.0.17763.9020 (exc)
microsoft	windows_10_1809	to 10.0.17763.9020 (exc)
microsoft	windows_server_2016	to 10.0.14393.9339 (exc)
microsoft	windows_server_2019	to 10.0.17763.9020 (exc)
microsoft	windows_server_2022	to 10.0.20348.5386 (exc)
microsoft	windows_server_2025	to 10.0.26100.33158 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2525 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8875 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8875 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7548 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7548 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7548 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7548 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7548 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7548 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8875 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8875 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-908	The product uses or accesses a resource that has not been initialized.
CWE-193	A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

Attack-Flow Graph

Executive Summary

This is an off-by-one error in Windows Remote Desktop Protocol that allows an unauthorized attacker to disclose information over a network without needing authentication.

Impact Analysis

An attacker could exploit this to access sensitive information transmitted over the network, potentially leading to data breaches or unauthorized data exposure.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA due to unauthorized information disclosure, potentially resulting in legal penalties or fines.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the off-by-one error in Windows Remote Desktop Protocol. Monitor Microsoft's update guide for the specific patch release.

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