CVE-2026-58535: Windows Remote Desktop Client Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
Other sources
Windows Remote Desktop Client Information Disclosure Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33158Patch KB5099536 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
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Fixed in 10.0.19045.7548Patch KB5099539 - Upgrade
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Fixed in 10.0.14393.9339Patch KB5099535 - Upgrade
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Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
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Fixed in 10.0.20348.5386Patch KB5099540 - Upgrade
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Fixed in 10.0.17763.9020Patch KB5099538 - Upgrade
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Fixed in 6.3.9600.23291Patch KB5099444 - Upgrade
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Fixed in 6.2.9200.26226Patch KB5099445 - Upgrade
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Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
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Fixed in 10.0.26200.8875Patch KB5101650
Event History
Frequently Asked Questions
What is the severity of CVE-2026-58535?
The severity of CVE-2026-58535 is rated as high with a score of 7.5.
What systems are affected by CVE-2026-58535?
CVE-2026-58535 affects Microsoft Windows 10, Windows 11, Windows Server 2012, Windows Server 2025, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2012 R2.
How do I fix CVE-2026-58535?
To mitigate CVE-2026-58535, ensure that you apply the latest updates and patches provided by Microsoft for the affected systems.
What is the impact of CVE-2026-58535?
CVE-2026-58535 allows an unauthorized attacker to disclose sensitive information over a network via an uninitialized resource in Windows RDP.
Is CVE-2026-58535 an exploit that can be easily executed?
CVE-2026-58535 requires network access and specific conditions, thus it may not be easily exploitable but poses a significant information disclosure risk.