# Microsoft Office 2016 vulnerabilities

Source: https://junglewise.ai/threats/technologies/office-2016  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/office-2016.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 40 vulnerabilities in Microsoft Office 2016: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 1 exploited in the wild. The most recent, CVE-2026-56195, was published on 14 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 40 (1 critical, 1 exploited in the wild)

## About Microsoft Office 2016

A suite of productivity applications including Word, Excel, and PowerPoint released in 2015.

## Latest Microsoft Office 2016 vulnerabilities

- [CVE-2026-56195: Microsoft Office out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-56195-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-56192: Microsoft Office Out-of-bounds Read Information Disclosure](https://junglewise.ai/threats/cve-2026-56192-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55140: Microsoft Office heap buffer overflow](https://junglewise.ai/threats/cve-2026-55140-microsoft-office-heap-buffer-overflow) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-55139: Microsoft Office out-of-bounds read](https://junglewise.ai/threats/cve-2026-55139-microsoft-office-out-of-bounds-read) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55129: Microsoft Office heap overflow remote code execution](https://junglewise.ai/threats/cve-2026-55129-microsoft-office-heap-overflow-remote-code-execution) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-55125: Microsoft Office heap overflow in code execution](https://junglewise.ai/threats/cve-2026-55125-microsoft-office-heap-overflow-in-code-execution) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-55121: Microsoft Office out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-55121-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55057: Microsoft Office integer overflow information disclosure](https://junglewise.ai/threats/cve-2026-55057-microsoft-office-integer-overflow-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55056: Microsoft Office heap buffer overflow](https://junglewise.ai/threats/cve-2026-55056-microsoft-office-heap-buffer-overflow) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-55049: Microsoft Office heap buffer overflow code execution](https://junglewise.ai/threats/cve-2026-55049-microsoft-office-heap-buffer-overflow-code-execution) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-55047: Microsoft Office Out-of-bounds Read Information Disclosure](https://junglewise.ai/threats/cve-2026-55047-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55045: Microsoft Office out-of-bounds read code execution](https://junglewise.ai/threats/cve-2026-55045-microsoft-office-out-of-bounds-read-code-execution) (high, CVSS 8.4, published 14 Jul 2026)
- [CVE-2026-55042: Microsoft Office information disclosure via uninitialized resource](https://junglewise.ai/threats/cve-2026-55042-microsoft-office-information-disclosure-via-uninitialized) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55035: Microsoft Office out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-55035-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55028: Microsoft Office out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-55028-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55027: Microsoft Office out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-55027-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55026: Microsoft Office integer overflow information disclosure](https://junglewise.ai/threats/cve-2026-55026-microsoft-office-integer-overflow-information-disclosure) (medium, CVSS 6.2, published 14 Jul 2026)
- [CVE-2026-55023: Microsoft Office out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-55023-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026)
- [CVE-2026-55022: Microsoft Office type confusion code execution](https://junglewise.ai/threats/cve-2026-55022-microsoft-office-type-confusion-code-execution) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-55018: Microsoft Office use after free local code execution](https://junglewise.ai/threats/cve-2026-55018-microsoft-office-use-after-free-local-code-execution) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-55017: Microsoft Office heap overflow code execution](https://junglewise.ai/threats/cve-2026-55017-microsoft-office-heap-overflow-code-execution) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-50665: Microsoft Office Out-of-bounds Read Information Disclosure](https://junglewise.ai/threats/cve-2026-50665-microsoft-office-out-of-bounds-read-information-disclosure) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-50467: Microsoft Office use after free local code execution](https://junglewise.ai/threats/cve-2026-50467-microsoft-office-use-after-free-local-code-execution) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-50314: Microsoft Office use after free code execution](https://junglewise.ai/threats/cve-2026-50314-microsoft-office-use-after-free-code-execution) (high, CVSS 7.8, published 14 Jul 2026)
- [CVE-2026-50301: Microsoft Office heap overflow code execution](https://junglewise.ai/threats/cve-2026-50301-microsoft-office-heap-overflow-code-execution) (high, CVSS 7.8, published 14 Jul 2026)

## Most severe Microsoft Office 2016 vulnerabilities

- [CVE-2026-21509: Microsoft Office security feature bypass via untrusted inputs](https://junglewise.ai/threats/cve-2026-21509-microsoft-office-security-feature-bypass-via-untrusted-inputs) (critical, exploited in the wild, CVSS 7.8, published 26 Jan 2026)
- [CVE-2025-47953: Microsoft Office use after free local code execution](https://junglewise.ai/threats/cve-2025-47953-microsoft-office-use-after-free-local-code-execution) (high, CVSS 8.4, published 10 Jun 2025)
- [CVE-2025-47164: Microsoft Office use after free local code execution](https://junglewise.ai/threats/cve-2025-47164-microsoft-office-use-after-free-local-code-execution) (high, CVSS 8.4, published 10 Jun 2025)
- [CVE-2025-47162: Microsoft Office heap buffer overflow allows local code execution](https://junglewise.ai/threats/cve-2025-47162-microsoft-office-heap-buffer-overflow-allows-local-code-execution) (high, CVSS 8.4, published 10 Jun 2025)
- [CVE-2025-49696: Microsoft Office out-of-bounds read and local code execution](https://junglewise.ai/threats/cve-2025-49696-microsoft-office-out-of-bounds-read-and-local-code-execution) (high, CVSS 8.4, published 8 Jul 2025)
- [CVE-2025-49695: Microsoft Office use after free local code execution](https://junglewise.ai/threats/cve-2025-49695-microsoft-office-use-after-free-local-code-execution) (high, CVSS 8.4, published 8 Jul 2025)
- [CVE-2025-49697: Microsoft Office heap overflow code execution](https://junglewise.ai/threats/cve-2025-49697-microsoft-office-heap-overflow-code-execution) (high, CVSS 8.4, published 8 Jul 2025)
- [CVE-2025-62554: Microsoft Office type confusion local code execution](https://junglewise.ai/threats/cve-2025-62554-microsoft-office-type-confusion-local-code-execution) (high, CVSS 8.4, published 9 Dec 2025)
- [CVE-2026-26110: Microsoft Office type confusion local code execution](https://junglewise.ai/threats/cve-2026-26110-microsoft-office-type-confusion-local-code-execution) (high, CVSS 8.4, published 10 Mar 2026)
- [CVE-2025-62557: Microsoft Office use after free local code execution](https://junglewise.ai/threats/cve-2025-62557-microsoft-office-use-after-free-local-code-execution) (high, CVSS 8.4, published 9 Dec 2025)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Microsoft technologies

- [Microsoft Windows](https://junglewise.ai/threats/technologies/windows): 2,362 vulnerabilities
- [Microsoft Windows 10](https://junglewise.ai/threats/technologies/windows-10): 589 vulnerabilities
- [Microsoft Windows 11 24h2](https://junglewise.ai/threats/technologies/windows-11-24h2): 565 vulnerabilities
- [Microsoft Windows 11 25h2](https://junglewise.ai/threats/technologies/windows-11-25h2): 534 vulnerabilities
- [Microsoft Windows Server 2025](https://junglewise.ai/threats/technologies/windows-server-2025): 534 vulnerabilities
- [Microsoft Windows Server 2022](https://junglewise.ai/threats/technologies/windows-server-2022): 528 vulnerabilities
- [Microsoft Windows Server 2019](https://junglewise.ai/threats/technologies/windows-server-2019): 521 vulnerabilities
- [Microsoft Windows Server 2012](https://junglewise.ai/threats/technologies/windows-server-2012): 517 vulnerabilities
- [Microsoft Windows 11](https://junglewise.ai/threats/technologies/windows-11): 494 vulnerabilities
- [Microsoft Windows Server 2016](https://junglewise.ai/threats/technologies/windows-server-2016): 476 vulnerabilities
- [Microsoft Windows 10 1809](https://junglewise.ai/threats/technologies/windows-10-1809): 380 vulnerabilities
- [Microsoft Windows 10 21h2](https://junglewise.ai/threats/technologies/windows-10-21h2): 373 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Microsoft Office 2016 vulnerabilities", https://junglewise.ai/threats/technologies/office-2016, 12 November 2026.