CVE-2026-58594

CriticalCVSS 9.8/10Last modified Jul 22, 2026

Description

Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1607	>= 10.0.14393.0, < 10.0.14393.9339
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.9020
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.7548
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.7548
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.8875
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.8875
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.2525
Microsoft	Windows Server 2012	>= 6.2.9200.0, < 6.2.9200.26226
Microsoft	Windows Server 2012 (Server Core installation)	>= 6.2.9200.0, < 6.2.9200.26226
Microsoft	Windows Server 2012 R2	>= 6.3.9600.0, < 6.3.9600.23291
Microsoft	Windows Server 2012 R2 (Server Core installation)	>= 6.3.9600.0, < 6.3.9600.23291
Microsoft	Windows Server 2016	>= 10.0.14393.0, < 10.0.14393.9339
Microsoft	Windows Server 2016 (Server Core installation)	>= 10.0.14393.0, < 10.0.14393.9339
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.9020
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.9020
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.5386
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.33158
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.33158

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58594Patch, Vendor Advisory

Timeline

Published: Jul 14, 2026
Last modified: Jul 22, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-585958.1Improper restriction of rendered ui layers or frames in Microsoft Bing App for IOS allows an unauthorized attacker to perform spoofing over CVE-2026-585968.3Untrusted pointer dereference in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.CVE-2026-585974.3Insufficient ui warning of dangerous operations in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over CVE-2026-585987.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine allows an authorized at CVE-2026-585997.8Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.CVE-2026-58608.8Use after free in WebRTC in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a CVE-2026-586007.8Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to elevate privileges locally.CVE-2026-586017.8Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.CVE-2026-586027.8Use after free in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally.CVE-2026-586087.5Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an au CVE-2026-586097.8Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.CVE-2026-58618.8Use after free in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a craf