# Microsoft Office SharePoint vulnerabilities

Source: https://junglewise.ai/threats/technologies/office-sharepoint  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/office-sharepoint.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 74 vulnerabilities in Microsoft Office SharePoint: 26 in the last 7 days and 57 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-88176, was published on 10 November 2026. 17 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 26
- Last 30 days: 28
- Last 90 days: 57
- All time: 74 (3 critical, 0 exploited in the wild)

## About Microsoft Office SharePoint

Microsoft's web-based platform for document management, collaboration, and content sharing.

## Latest Microsoft Office SharePoint vulnerabilities

- [CVE-2026-88176: Microsoft Office SharePoint privilege escalation via missing authorization](https://junglewise.ai/threats/cve-2026-88176-missing-authorization-in-microsoft-office-sharepoint-allows-an) (high, CVSS 8.8, published 10 Nov 2026)
- [CVE-2026-80095: Microsoft Office SharePoint XSS privilege escalation](https://junglewise.ai/threats/cve-2026-80095-improper-neutralization-of-input-during-web-page-generation-cross) (critical, CVSS 9, published 10 Nov 2026)
- [CVE-2026-124210: Microsoft Office SharePoint server-side request forgery](https://junglewise.ai/threats/cve-2026-124210-server-side-request-forgery-ssrf-in-microsoft-office-sharepoint) (medium, CVSS 6.5, published 10 Nov 2026)
- [CVE-2026-123391: Microsoft Office SharePoint privilege escalation via incorrect authorization](https://junglewise.ai/threats/cve-2026-123391-incorrect-authorization-in-microsoft-office-sharepoint-allows-an) (high, CVSS 8.8, published 10 Nov 2026)
- [CVE-2026-123390: Microsoft Office SharePoint deserialization of untrusted data](https://junglewise.ai/threats/cve-2026-123390-deserialization-of-untrusted-data-in-microsoft-office-sharepoint) (high, CVSS 8.8, published 10 Nov 2026)
- [CVE-2026-120002: Microsoft Office SharePoint privilege escalation](https://junglewise.ai/threats/cve-2026-120002-incorrect-authorization-in-microsoft-office-sharepoint-allows-an) (critical, CVSS 9.9, published 10 Nov 2026)
- [CVE-2026-112736: Microsoft Office SharePoint server-side request forgery](https://junglewise.ai/threats/cve-2026-112736-server-side-request-forgery-ssrf-in-microsoft-office-sharepoint) (medium, CVSS 5.3, published 10 Nov 2026)
- [CVE-2026-111303: Microsoft Office SharePoint cross-site scripting](https://junglewise.ai/threats/cve-2026-111303-improper-neutralization-of-input-during-web-page-generation) (high, CVSS 7.3, published 10 Nov 2026)
- [CVE-2026-111300: Microsoft Office SharePoint cross-site scripting in web page generation](https://junglewise.ai/threats/cve-2026-111300-improper-neutralization-of-input-during-web-page-generation) (high, CVSS 7.3, published 10 Nov 2026)
- [CVE-2026-111297: Microsoft Office SharePoint cross-site scripting](https://junglewise.ai/threats/cve-2026-111297-improper-neutralization-of-input-during-web-page-generation) (high, CVSS 8, published 10 Nov 2026)
- [CVE-2026-111296: Microsoft Office SharePoint server-side request forgery](https://junglewise.ai/threats/cve-2026-111296-server-side-request-forgery-ssrf-in-microsoft-office-sharepoint) (high, CVSS 8, published 10 Nov 2026)
- [CVE-2026-110065: Microsoft Office SharePoint cross-site scripting](https://junglewise.ai/threats/cve-2026-110065-improper-neutralization-of-input-during-web-page-generation) (high, CVSS 7.3, published 10 Nov 2026)
- [CVE-2026-110057: Microsoft Office SharePoint authorization bypass in user-controlled key](https://junglewise.ai/threats/cve-2026-110057-authorization-bypass-through-user-controlled-key-in-microsoft) (medium, CVSS 6.5, published 10 Nov 2026)
- [CVE-2026-110045: Microsoft Office SharePoint cross-site scripting](https://junglewise.ai/threats/cve-2026-110045-improper-neutralization-of-input-during-web-page-generation) (high, CVSS 7.3, published 10 Nov 2026)
- [CVE-2026-110044: Microsoft Office SharePoint deserialization of untrusted data RCE](https://junglewise.ai/threats/cve-2026-110044-deserialization-of-untrusted-data-in-microsoft-office-sharepoint) (high, CVSS 8.8, published 10 Nov 2026)
- [CVE-2026-109504: Microsoft Office SharePoint cross-site scripting](https://junglewise.ai/threats/cve-2026-109504-improper-neutralization-of-input-during-web-page-generation) (high, CVSS 7.3, published 10 Nov 2026)
- [CVE-2026-109502: Microsoft Office SharePoint SSRF privilege elevation](https://junglewise.ai/threats/cve-2026-109502-server-side-request-forgery-ssrf-in-microsoft-office-sharepoint) (high, CVSS 8.8, published 10 Nov 2026)
- [CVE-2026-109499: Microsoft Office SharePoint type confusion remote code execution](https://junglewise.ai/threats/cve-2026-109499-access-of-resource-using-incompatible-type-type-confusion-in) (high, CVSS 8.8, published 10 Nov 2026)
- [CVE-2026-109497: Microsoft Office SharePoint cross-site scripting](https://junglewise.ai/threats/cve-2026-109497-improper-neutralization-of-input-during-web-page-generation) (high, CVSS 7.3, published 10 Nov 2026)
- [CVE-2026-109495: Microsoft Office SharePoint missing authorization privilege escalation](https://junglewise.ai/threats/cve-2026-109495-missing-authorization-in-microsoft-office-sharepoint-allows-an) (medium, CVSS 6.6, published 10 Nov 2026)
- [CVE-2026-109472: Microsoft Office SharePoint deserialization of untrusted data](https://junglewise.ai/threats/cve-2026-109472-deserialization-of-untrusted-data-in-microsoft-office-sharepoint) (high, CVSS 8.8, published 10 Nov 2026)
- [CVE-2026-109466: Microsoft Office SharePoint privilege elevation](https://junglewise.ai/threats/cve-2026-109466-missing-authorization-in-microsoft-office-sharepoint-allows-an) (high, CVSS 8, published 10 Nov 2026)
- [CVE-2026-109464: Microsoft Office SharePoint deserialization of untrusted data](https://junglewise.ai/threats/cve-2026-109464-deserialization-of-untrusted-data-in-microsoft-office-sharepoint) (high, CVSS 8.8, published 10 Nov 2026)
- [CVE-2026-109456: Microsoft Office SharePoint cross-site scripting](https://junglewise.ai/threats/cve-2026-109456-improper-neutralization-of-input-during-web-page-generation) (medium, CVSS 4.6, published 10 Nov 2026)
- [CVE-2026-109455: Microsoft Office SharePoint incorrect authorization disclosure](https://junglewise.ai/threats/cve-2026-109455-incorrect-authorization-in-microsoft-office-sharepoint-allows-an) (medium, CVSS 6.5, published 10 Nov 2026)

## Most severe Microsoft Office SharePoint vulnerabilities

- [CVE-2026-120002: Microsoft Office SharePoint privilege escalation](https://junglewise.ai/threats/cve-2026-120002-incorrect-authorization-in-microsoft-office-sharepoint-allows-an) (critical, CVSS 9.9, published 10 Nov 2026)
- [CVE-2026-80095: Microsoft Office SharePoint XSS privilege escalation](https://junglewise.ai/threats/cve-2026-80095-improper-neutralization-of-input-during-web-page-generation-cross) (critical, CVSS 9, published 10 Nov 2026)
- [CVE-2026-109454: Microsoft Office SharePoint cross-site scripting](https://junglewise.ai/threats/cve-2026-109454-improper-neutralization-of-input-during-web-page-generation) (critical, CVSS 9, published 10 Nov 2026)
- [CVE-2026-66808: Microsoft Office SharePoint deserialization code execution](https://junglewise.ai/threats/cve-2026-66808-microsoft-office-sharepoint-deserialization-code-execution) (high, CVSS 8.8, published 11 Aug 2026)
- [CVE-2026-66805: Microsoft Office SharePoint deserialization of untrusted data](https://junglewise.ai/threats/cve-2026-66805-microsoft-office-sharepoint-deserialization-of-untrusted-data) (high, CVSS 8.8, published 11 Aug 2026)
- [CVE-2026-65663: Microsoft Office SharePoint deserialization of untrusted data](https://junglewise.ai/threats/cve-2026-65663-microsoft-office-sharepoint-deserialization-of-untrusted-data) (high, CVSS 8.8, published 11 Aug 2026)
- [CVE-2026-65658: Microsoft Office SharePoint deserialization of untrusted data](https://junglewise.ai/threats/cve-2026-65658-microsoft-office-sharepoint-deserialization-of-untrusted-data) (high, CVSS 8.8, published 11 Aug 2026)
- [CVE-2026-64901: Microsoft Office SharePoint deserialization of untrusted data](https://junglewise.ai/threats/cve-2026-64901-microsoft-office-sharepoint-deserialization-of-untrusted-data) (high, CVSS 8.8, published 11 Aug 2026)
- [CVE-2026-63514: Microsoft Office SharePoint deserialization code execution](https://junglewise.ai/threats/cve-2026-63514-microsoft-office-sharepoint-deserialization-code-execution) (high, CVSS 8.8, published 11 Aug 2026)
- [CVE-2026-65665: Microsoft Office SharePoint deserialization of untrusted data in network communication](https://junglewise.ai/threats/cve-2026-65665-microsoft-office-sharepoint-deserialization-of-untrusted-data-in) (high, CVSS 8.8, published 11 Aug 2026)

## Vulnerabilities per week

17 vulnerabilities in the last four weeks, up from none in the four before.

| 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 | 14 | 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 | 17 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 26 | 3 | 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 SharePoint vulnerabilities", https://junglewise.ai/threats/technologies/office-sharepoint, 13 November 2026.
