Microsoft Excel 2016 vulnerabilities
244 known vulnerabilities affecting microsoft/microsoft_excel_2016.
Total CVEs
244
CISA KEV
1
actively exploited
Public exploits
4
Exploited in wild
2
Severity breakdown
CRITICAL1HIGH199MEDIUM43LOW1
Vulnerabilities
Page 2 of 13
CVE-2020-1594P3HIGHCVSS 8.8≥ 16.0.0.0, < publication2020-09-11
CVE-2020-1594 [HIGH] CVE-2020-1594: <p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affecte
nvd
CVE-2020-1332P3HIGHCVSS 8.8≥ 16.0.0.0, < publication2020-09-11
CVE-2020-1332 [HIGH] CVE-2020-1332: <p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affecte
nvd
CVE-2021-31939P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5173.10002021-06-08
CVE-2021-31939 [HIGH] CVE-2021-31939: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2026-44822P3HIGHCVSS 8.2≥ 16.0.0.0, < 16.0.5556.10012026-06-09
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-2021-31179P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5161.10002021-05-11
CVE-2021-31179 [HIGH] CVE-2021-31179: Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
nvd
CVE-2024-43504P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5469.10002024-10-08
CVE-2024-43504 [HIGH] CWE-416 CVE-2024-43504: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
nvd
CVE-2026-21259P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5539.10022026-02-10
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-2026-26108P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5543.10002026-03-10
CVE-2026-26108 [HIGH] CWE-122 CVE-2026-26108: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-20950P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5535.10002026-01-13
CVE-2026-20950 [HIGH] CWE-416 CVE-2026-20950: 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-2026-81947P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5569.10032026-09-08
CVE-2026-81947 [HIGH] CWE-122 CVE-2026-81947: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-81397P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5569.10032026-09-08
CVE-2026-81397 [HIGH] CWE-122 CVE-2026-81397: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-81948P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5569.10032026-09-08
CVE-2026-81948 [HIGH] CWE-122 CVE-2026-81948: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-81951P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5569.10032026-09-08
CVE-2026-81951 [HIGH] CWE-122 CVE-2026-81951: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-81960P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5569.10032026-09-08
CVE-2026-81960 [HIGH] CWE-122 CVE-2026-81960: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-81386P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5569.10032026-09-08
CVE-2026-81386 [HIGH] CWE-122 CVE-2026-81386: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-81398P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5569.10032026-09-08
CVE-2026-81398 [HIGH] CWE-122 CVE-2026-81398: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-81954P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5569.10032026-09-08
CVE-2026-81954 [HIGH] CWE-416 CVE-2026-81954: 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-2026-81959P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5569.10032026-09-08
CVE-2026-81959 [HIGH] CWE-122 CVE-2026-81959: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-68815P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5565.10012026-08-11
CVE-2026-68815 [HIGH] CWE-122 CVE-2026-68815: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-68796P3HIGHCVSS 7.8≥ 16.0.0.0, < 16.0.5565.10012026-08-11
CVE-2026-68796 [HIGH] CWE-122 CVE-2026-68796: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd