Product Detail

OFFICE ONLINE SERVER

https://blogs.office.com/2016/05/04/office-online-server-now-available/

Vendor :

Microsoft

Number of CVE:

178

Average Exploit Prediction Score :

8.45

Public Exploit/PoC Code :

74

CISA Actively Exploited :

2

Last Vulnerability Seen :

Feb. 10, 2026
Vulnerabilities

The following vulnerabilities are recorded OFFICE ONLINE SERVER product. You can click on the vulnerability to view more details.

Number Published CVE ID Severity CVSS Score
1 Feb 10, 2026 CVE-2026-21261 MEDIUM
5.5
2 Feb 10, 2026 CVE-2026-21259 HIGH
7.8
3 Feb 10, 2026 CVE-2026-21258 MEDIUM
5.5
4 Jan 13, 2026 CVE-2026-20957 HIGH
7.8
5 Jan 13, 2026 CVE-2026-20955 HIGH
7.8
6 Jan 13, 2026 CVE-2026-20950 HIGH
7.8
7 Dec 09, 2025 CVE-2025-62564 HIGH
7.8
8 Dec 09, 2025 CVE-2025-62563 HIGH
7.8
9 Dec 09, 2025 CVE-2025-62561 HIGH
7.8
10 Dec 09, 2025 CVE-2025-62560 HIGH
7.8
11 Dec 09, 2025 CVE-2025-62556 HIGH
7.8
12 Nov 11, 2025 CVE-2025-62203 HIGH
7.8
13 Nov 11, 2025 CVE-2025-62202 HIGH
7.1
14 Nov 11, 2025 CVE-2025-62201 HIGH
7.8
15 Nov 11, 2025 CVE-2025-62200 HIGH
7.8
16 Nov 11, 2025 CVE-2025-60727 HIGH
7.8
17 Nov 11, 2025 CVE-2025-60726 HIGH
7.1
18 Oct 14, 2025 CVE-2025-59236 HIGH
8.4
19 Oct 14, 2025 CVE-2025-59235 HIGH
7.1
20 Oct 14, 2025 CVE-2025-59233 HIGH
7.8
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