Microsoft Outlook 2016
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By the Year
In 2026 there have been 1 vulnerability in Microsoft Outlook 2016 with an average score of 7.5 out of ten. Last year, in 2025 Outlook 2016 had 5 security vulnerabilities published. If vulnerabilities keep coming in at the current rate, it appears that number of security vulnerabilities in Outlook 2016 in 2026 could surpass last years number. However, the average CVE base score of the vulnerabilities in 2026 is greater by 0.86.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 1 | 7.50 |
| 2025 | 5 | 6.64 |
| 2024 | 1 | 8.80 |
| 2023 | 0 | 0.00 |
| 2022 | 1 | 5.30 |
| 2021 | 0 | 0.00 |
| 2020 | 1 | 6.50 |
It may take a day or so for new Outlook 2016 vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Outlook 2016 Security Vulnerabilities
Feb 2026: Microsoft Outlook Spoofing Vulnerability
CVE-2026-21260
7.5 - High
- February 10, 2026
Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
Information Disclosure
Jul 2025: Microsoft Office Remote Code Execution Vulnerability
CVE-2025-49699
7 - High
- July 08, 2025
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jun 2025: Microsoft Outlook Remote Code Execution Vulnerability
CVE-2025-47171
6.7 - Medium
- June 10, 2025
Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code locally.
Improper Input Validation
Apr 2025: Outlook for Android Information Disclosure Vulnerability
CVE-2025-29805
7.5 - High
- April 08, 2025
Exposure of sensitive information to an unauthorized actor in Outlook for Android allows an unauthorized attacker to disclose information over a network.
Information Disclosure
Feb 2025: Microsoft Outlook Spoofing Vulnerability
CVE-2025-21259
5.3 - Medium
- February 11, 2025
Microsoft Outlook Spoofing Vulnerability
User Interface (UI) Misrepresentation of Critical Information
Jan 2025: Microsoft Outlook Remote Code Execution Vulnerability
CVE-2025-21357
6.7 - Medium
- January 14, 2025
Microsoft Outlook Remote Code Execution Vulnerability
Use of Uninitialized Resource
Jun 2024: Microsoft Outlook Remote Code Execution Vulnerability
CVE-2024-30103
8.8 - High
- June 11, 2024
Microsoft Outlook Remote Code Execution Vulnerability
Denylist / Deny List
Microsoft Outlook for Mac Security Feature Bypass Vulnerability
CVE-2022-23280
5.3 - Medium
- February 09, 2022
Microsoft Outlook for Mac Security Feature Bypass Vulnerability
Dec 2020: Microsoft Outlook Information Disclosure Vulnerability
CVE-2020-17119
6.5 - Medium
- December 10, 2020
Microsoft Outlook Information Disclosure Vulnerability
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