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Microsoft Excel 2016 vulnerabilities

188 known vulnerabilities affecting microsoft/microsoft_excel_2016.

Total CVEs
188
CISA KEV
1
actively exploited
Public exploits
4
Exploited in wild
2
Severity breakdown
HIGH162MEDIUM25LOW1

Vulnerabilities

Page 10 of 10
CVE-2026-45455P4MEDIUMCVSS 4.3≥ 16.0.0.0, < 16.0.5556.10012026-06-09
CVE-2026-45455 [MEDIUM] CWE-125 CVE-2026-45455: 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 locally.
nvd
CVE-2023-36766P4MEDIUMCVSS 5.5≥ 16.0.0.0, < 16.0.5413.10002023-09-12
CVE-2023-36766 [MEDIUM] CWE-125 CVE-2023-36766: Microsoft Excel Information Disclosure Vulnerability Microsoft Excel Information Disclosure Vulnerability
nvd
CVE-2020-17126P4MEDIUMCVSS 5.5≥ 16.0.0.0, < publication2020-12-10
CVE-2020-17126 [MEDIUM] CVE-2020-17126: Microsoft Excel Information Disclosure Vulnerability Microsoft Excel Information Disclosure Vulnerability
nvd
CVE-2025-21383P4MEDIUMCVSS 5.5≥ 16.0.0.0, < 16.0.5487.10002025-02-11
CVE-2025-21383 [MEDIUM] CWE-125 CVE-2025-21383: Microsoft Excel Information Disclosure Vulnerability Microsoft Excel Information Disclosure Vulnerability
nvd
CVE-2021-40472P4MEDIUMCVSS 5.5≥ 16.0.0.0, < 16.0.5227.10002021-10-13
CVE-2021-40472 [MEDIUM] CVE-2021-40472: Microsoft Excel Information Disclosure Vulnerability Microsoft Excel Information Disclosure Vulnerability
nvd
CVE-2023-33162P4MEDIUMCVSS 5.5≥ 16.0.0.0, < 16.0.5404.10002023-07-11
CVE-2023-33162 [MEDIUM] CWE-125 CVE-2023-33162: Microsoft Excel Information Disclosure Vulnerability Microsoft Excel Information Disclosure Vulnerability
nvd
CVE-2026-50678P4LOWCVSS 3.3≥ 16.0.0.0, < 16.0.5561.10012026-07-14
CVE-2026-50678 [LOW] CWE-122 CVE-2026-50678: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to disclose inf Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd
CVE-2023-23398HIGHCVSS 7.1≥ 16.0.0.0, < 16.0.5387.10002023-03-14
CVE-2023-23398 [HIGH] Microsoft Excel Spoofing Vulnerability Microsoft Excel Spoofing Vulnerability Microsoft Excel Spoofing Vulnerability
cvelistv5
Microsoft Excel 2016 vulnerabilities | cvebase