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Microsoft security briefs

268 published alerts for Microsoft products and services.

Microsoft MSRC

CVE-2026-58541

Microsoft DWM Core Library Elevation of Privilege vulnerability

Microsoft DWM Core Library Elevation of Privilege vulnerability (CVE-2026-58541) was added to Microsoft’s security update guidance. Access of resource using incompatible type ('type confusion') in Windows DWM allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58542

Windows Media Remote Code Execution vulnerability

Windows Media Remote Code Execution vulnerability (CVE-2026-58542) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58544

Windows Management Services Elevation of Privilege vulnerability

Windows Management Services Elevation of Privilege vulnerability (CVE-2026-58544) was added to Microsoft’s security update guidance. Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58545

Windows Kernel Security Feature Bypass vulnerability

Windows Kernel Security Feature Bypass vulnerability (CVE-2026-58545) was added to Microsoft’s security update guidance. Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58546

Windows Remote Desktop Client Information Disclosure vulnerability

Windows Remote Desktop Client Information Disclosure vulnerability (CVE-2026-58546) was added to Microsoft’s security update guidance. Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58547

Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege vulnerability

Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege vulnerability (CVE-2026-58547) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Universal Plug and Play (upnp.dll) allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58613

Windows Cloud Files Mini Filter Driver Elevation of Privilege vulnerability

Windows Cloud Files Mini Filter Driver Elevation of Privilege vulnerability (CVE-2026-58613) was added to Microsoft’s security update guidance. Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58619

Windows Sensor Data Service Elevation of Privilege vulnerability

Windows Sensor Data Service Elevation of Privilege vulnerability (CVE-2026-58619) was added to Microsoft’s security update guidance. Use after free in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58626

Windows Remote Desktop Services Remote Code Execution vulnerability

Windows Remote Desktop Services Remote Code Execution vulnerability (CVE-2026-58626) was added to Microsoft’s security update guidance. Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58627

Windows DHCP Server Denial of Service vulnerability

Windows DHCP Server Denial of Service vulnerability (CVE-2026-58627) was added to Microsoft’s security update guidance. Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny service over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58628

Windows Wireless Network Manager Elevation of Privilege vulnerability

Windows Wireless Network Manager Elevation of Privilege vulnerability (CVE-2026-58628) was added to Microsoft’s security update guidance. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Networking allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58632

Windows Win32 Kernel Subsystem Elevation of Privilege vulnerability

Windows Win32 Kernel Subsystem Elevation of Privilege vulnerability (CVE-2026-58632) was added to Microsoft’s security update guidance. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58637

Windows Client-Side Caching Elevation of Privilege vulnerability

Windows Client-Side Caching Elevation of Privilege vulnerability (CVE-2026-58637) was added to Microsoft’s security update guidance. Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58638

Windows Boot Loader Security Feature Bypass vulnerability

Windows Boot Loader Security Feature Bypass vulnerability (CVE-2026-58638) was added to Microsoft’s security update guidance. Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58281

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability (CVE-2026-58281) was added to Microsoft’s security update guidance. Deserialization of untrusted data in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-50656

Microsoft Defender Elevation of Privilege vulnerability

Microsoft Defender Elevation of Privilege vulnerability (CVE-2026-50656) was added to Microsoft’s security update guidance. Microsoft has released an update to the Microsoft Malware Protection Engine that addresses the vulnerability identified by CVE-2026-50656. Please see the FAQ for more information on how to check if the new version has been installed. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58525

Microsoft Edge (Chromium-based) Security Feature Bypass vulnerability

Microsoft Edge (Chromium-based) Security Feature Bypass vulnerability (CVE-2026-58525) was added to Microsoft’s security update guidance. Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-55945

Microsoft Edge (Chromium-based) Information Disclosure vulnerability

Microsoft Edge (Chromium-based) Information Disclosure vulnerability (CVE-2026-55945) was added to Microsoft’s security update guidance. Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-56645

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability (CVE-2026-56645) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-56646

Microsoft Edge (Chromium-based) Spoofing vulnerability

Microsoft Edge (Chromium-based) Spoofing vulnerability (CVE-2026-56646) was added to Microsoft’s security update guidance. Exposure of sensitive information to an unauthorized actor in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-57974

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability (CVE-2026-57974) was added to Microsoft’s security update guidance. Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-57975

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability (CVE-2026-57975) was added to Microsoft’s security update guidance. Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-57977

Microsoft Edge (Chromium-based) Spoofing vulnerability

Microsoft Edge (Chromium-based) Spoofing vulnerability (CVE-2026-57977) was added to Microsoft’s security update guidance. Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-57981

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability (CVE-2026-57981) was added to Microsoft’s security update guidance. Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.