Microsoft Office Ltsc 2024 vulnerabilities

319 known vulnerabilities affecting microsoft/microsoft_office_ltsc_2024.

Total CVEs

319

CISA KEV

actively exploited

Public exploits

Exploited in wild

Severity breakdown

HIGH273MEDIUM38LOW8

Vulnerabilities

SortPage 3 of 16

CVE-2026-44822P3HIGHCVSS 8.2≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-06-09

CVE-2026-44822 [HIGH] CWE-125 CVE-2026-44822: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

nvd

CVE-2025-62199P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2025-11-11

CVE-2025-62199 [HIGH] CWE-416 CVE-2025-62199: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2025-62553P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2025-12-09

CVE-2025-62553 [HIGH] CWE-416 CVE-2025-62553: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

nvd

CVE-2025-62562P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2025-12-09

CVE-2025-62562 [HIGH] CWE-416 CVE-2025-62562: Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.

nvd

CVE-2025-62563P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2025-12-09

CVE-2025-62563 [HIGH] CWE-416 CVE-2025-62563: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

nvd

CVE-2025-59234P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2025-10-14

CVE-2025-59234 [HIGH] CWE-416 CVE-2025-59234: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-21259P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-02-10

CVE-2026-21259 [HIGH] CWE-122 CVE-2026-21259: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate priv Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.

nvd

CVE-2026-50314P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-07-14

CVE-2026-50314 [HIGH] CWE-416 CVE-2026-50314: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-47290P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-07-14

CVE-2026-47290 [HIGH] CWE-416 CVE-2026-47290: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-44819P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-06-09

CVE-2026-44819 [HIGH] CWE-122 CVE-2026-44819: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-45475P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-06-09

CVE-2026-45475 [HIGH] CWE-122 CVE-2026-45475: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-44824P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-06-09

CVE-2026-44824 [HIGH] CWE-122 CVE-2026-44824: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2024-43504P3HIGHCVSS 7.8≥ 1.0.0, < https://aka.ms/OfficeSecurityReleases2024-10-08

CVE-2024-43504 [HIGH] CWE-416 CVE-2024-43504: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

nvd

CVE-2026-55120P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-07-14

CVE-2026-55120 [HIGH] CWE-122 CVE-2026-55120: Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-55123P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-07-14

CVE-2026-55123 [HIGH] CWE-122 CVE-2026-55123: Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-55043P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-07-14

CVE-2026-55043 [HIGH] CWE-122 CVE-2026-55043: Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-55129P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-07-14

CVE-2026-55129 [HIGH] CWE-122 CVE-2026-55129: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-55018P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-07-14

CVE-2026-55018 [HIGH] CWE-416 CVE-2026-55018: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-50467P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-07-14

CVE-2026-50467 [HIGH] CWE-416 CVE-2026-50467: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

CVE-2026-55056P3HIGHCVSS 7.8≥ 16.0.0, < https://aka.ms/OfficeSecurityReleases2026-07-14

CVE-2026-55056 [HIGH] CWE-122 CVE-2026-55056: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

nvd

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