CVE-2026-59136
Microsoft COM for Windows Information Disclosure vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-59136
- Affected products
- Microsoft COM for Windows Information Disclosure · Microsoft Microsoft COM for Windows Information Disclosure · Microsoft
What happened
Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose information locally.
What it means for your business
Microsoft COM for Windows Information Disclosure vulnerability (CVE-2026-59136) was added to Microsoft’s security update guidance. Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Sources
Related briefs
Windows DHCP Client Remote Code Execution vulnerability
Windows DHCP Client Remote Code Execution vulnerability (CVE-2026-54128) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Windows GDI Elevation of Privilege vulnerability
Windows GDI Elevation of Privilege vulnerability (CVE-2026-50387) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Heap buffer overflow in ANGLE in Microsoft Edge vulnerability
Heap buffer overflow in ANGLE in Microsoft Edge vulnerability (CVE-2025-10502) was added to Microsoft’s security update guidance. Information published. If you need help checking exposure, call (864) 335-9223.
Microsoft Exchange Server Elevation of Privilege vulnerability
Microsoft Exchange Server Elevation of Privilege vulnerability (CVE-2026-96940) was added to Microsoft’s security update guidance. Weak authorization in Microsoft Exchange Server allows an authenticated attacker to elevate privileges over a network. If you need help checking exposure, call (864) 335-9223.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.