Microsoft Office Long Term Servicing Channel vulnerabilities
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Published CVEs affecting Microsoft Office Long Term Servicing Channel: 110 record(s), with affected versions and fixes.cpe:2.3:a:microsoft:office_long_term_servicing_channel
CVE-2026-32190
High · 8.4
CWE-416 Apr 14, 2026
Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-32189
High · 7.8
CWE-416 Apr 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-32188
High · 7.1
CWE-125 Apr 14, 2026
Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-23657
High · 7.8
CWE-416 Apr 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-26113
High · 7.8
CWE-822 Mar 10, 2026
Microsoft Office Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-26112
High · 7.8
CWE-822 Mar 10, 2026
Microsoft Excel Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-26110
High · 7.8
CWE-843 Mar 10, 2026
Microsoft Office Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-26109
High · 7.8
CWE-125 Mar 10, 2026
Microsoft Excel Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-26108
High · 7.8
CWE-787 Mar 10, 2026
Microsoft Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-26107
High · 7.8
CWE-416 Mar 10, 2026
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-21511
High · 7.5
CWE-502 Feb 10, 2026
Microsoft Outlook Spoofing Vulnerability
Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-21514
High · 7.8
KEV High · 58 Public exploit CWE-807 Feb 10, 2026
Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-21261
Medium · 5.5
CWE-125 Feb 10, 2026
Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-21260
High · 7.5
CWE-200 Feb 10, 2026
Microsoft Outlook Spoofing Vulnerability
Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-21259
High · 7.8
CWE-787 Feb 10, 2026
Microsoft Excel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.
CVE-2026-21258
Medium · 5.5
CWE-20 Feb 10, 2026
Microsoft Excel Information Disclosure Vulnerability
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-21509
High · 7.8
KEV High · 62 Public exploit CWE-807 Jan 26, 2026
Microsoft Office Security Feature Bypass Vulnerability
Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-20957
High · 7.8
CWE-122 Jan 13, 2026
Microsoft Excel Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20956
High · 7.8
CWE-822 Jan 13, 2026
Microsoft Excel Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20955
High · 7.8
CWE-822 Jan 13, 2026
Microsoft Excel Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20953
High · 8.4
CWE-416 Jan 13, 2026
Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-20952
High · 8.4
CWE-416 Jan 13, 2026
Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-20950
High · 7.8
CWE-416 Jan 13, 2026
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-20949
High · 7.8
CWE-284 Jan 13, 2026
Microsoft Excel Security Feature Bypass Vulnerability
Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-20948
High · 7.8
CWE-822 Jan 13, 2026
Microsoft Word Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.