Microsoft security briefs
3324 published alerts for Microsoft products and services.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-70327) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network. If you need help checking exposure, call (864) 335-9223.
Microsoft SharePoint Server Elevation of Privilege vulnerability
Microsoft SharePoint Server Elevation of Privilege vulnerability (CVE-2026-70326) was added to Microsoft’s security update guidance. Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network. If you need help checking exposure, call (864) 335-9223.
Microsoft SharePoint Elevation of Privilege vulnerability
Microsoft SharePoint Elevation of Privilege vulnerability (CVE-2026-70324) was added to Microsoft’s security update guidance. Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Information Disclosure vulnerability
Microsoft Office Information Disclosure vulnerability (CVE-2026-70323) was added to Microsoft’s security update guidance. Improper input validation in Microsoft Office allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft SharePoint Remote Code Execution vulnerability
Microsoft SharePoint Remote Code Execution vulnerability (CVE-2026-70321) was added to Microsoft’s security update guidance. Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-70319) was added to Microsoft’s security update guidance. Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-70318) was added to Microsoft’s security update guidance. Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Information Disclosure vulnerability
Microsoft Office Information Disclosure vulnerability (CVE-2026-70317) was added to Microsoft’s security update guidance. Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Information Disclosure vulnerability
Microsoft Office Information Disclosure vulnerability (CVE-2026-70315) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Information Disclosure vulnerability
Microsoft Office Information Disclosure vulnerability (CVE-2026-70314) was added to Microsoft’s security update guidance. Improper input validation in Microsoft Office allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft PowerPoint Remote Code Execution vulnerability
Microsoft PowerPoint Remote Code Execution vulnerability (CVE-2026-70313) was added to Microsoft’s security update guidance. Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Word Remote Code Execution vulnerability
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-70311) was added to Microsoft’s security update guidance. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Word Information Disclosure vulnerability
Microsoft Word Information Disclosure vulnerability (CVE-2026-70310) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Windows Ancillary Function Driver for WinSock Elevation of Privilege vulnerability
Windows Ancillary Function Driver for WinSock Elevation of Privilege vulnerability (CVE-2026-70307) was added to Microsoft’s security update guidance. Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Office SharePoint Spoofing vulnerability
Microsoft Office SharePoint Spoofing vulnerability (CVE-2026-70306) was added to Microsoft’s security update guidance. Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network. If you need help checking exposure, call (864) 335-9223.
Windows DNS Elevation of Privilege vulnerability
Windows DNS Elevation of Privilege vulnerability (CVE-2026-70304) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Remote Code Execution vulnerability
Microsoft Office Remote Code Execution vulnerability (CVE-2026-70130) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability
Microsoft Windows Ancillary Function Driver for WinSock is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-68820). Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally. CISA remediation due date: 2026-08-25. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68817) 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.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68816) was added to Microsoft’s security update guidance. Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68814) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-68813) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68812) 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.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68811) was added to Microsoft’s security update guidance. Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.