CVE Intelligence

Microsoft Microsoft Office LTSC 2021 vulnerabilities

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Published CVEs affecting Microsoft Microsoft Office LTSC 2021: 554 record(s), with affected versions and fixes.

CVE-2026-70242 Critical · 9.8 CWE-122 Oct 13, 2026
Microsoft Office Outlook Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
CVE-2026-70220 High · 7.8 CWE-122 Oct 13, 2026
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-70219 Medium · 6.5 CWE-125 Oct 13, 2026
Microsoft Office Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-70215 High · 8.8 CWE-416 Oct 13, 2026
Microsoft Office PowerPoint Remote Code Execution Vulnerability
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
CVE-2026-70214 Medium · 5.5 CWE-125 Oct 13, 2026
Microsoft Office Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-70206 Medium · 6.5 CWE-125 Oct 13, 2026
Microsoft Office Word Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-70096 Critical · 9.8 CWE-122 Oct 13, 2026
Windows Rich Text Edit Control Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network.
CVE-2026-69922 Medium · 6.5 CWE-125 Oct 13, 2026
Microsoft Office Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-105718 High · 8.8 CWE-20 Oct 13, 2026
Microsoft Excel Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-105717 High · 8.8 CWE-20 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-105716 High · 8.8 CWE-122 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-105715 High · 7.5 CWE-190 Oct 13, 2026
Microsoft Office Word Remote Code Execution Vulnerability
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-105714 High · 7.5 CWE-122 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-105599 High · 7.5 CWE-122 Oct 13, 2026
Microsoft Office PowerPoint Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
CVE-2026-105598 High · 8.8 CWE-122 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-105597 High · 8.8 CWE-122 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-105596 High · 8.8 CWE-122 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-105595 High · 8.8 CWE-125 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-105593 High · 8.8 CWE-122 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-105592 High · 7.5 CWE-122 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-105591 High · 8.8 CWE-122 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-102867 Medium · 6.5 CWE-20 Oct 13, 2026
Microsoft Office Word Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-102857 High · 8.8 CWE-122 Oct 13, 2026
Microsoft Office Visio Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.
CVE-2026-102856 High · 8.8 CWE-122 Oct 13, 2026
Microsoft Office Visio Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.
CVE-2026-102850 High · 8.8 CWE-122 Oct 13, 2026
Microsoft Office Access Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.