Office Online Server
Vendor:
First CVE: Jun 16, 2016 · Active for 10 years
233
Total CVEs
More Total CVEs than 100% of tracked products
21.2
Avg CVEs / Year
Higher CVE frequency than 98% of tracked products
7.4
Avg CVSS
Higher Avg CVSS than 49% of tracked products
0.4%
KEV Rate
Higher KEV Rate than 96% of tracked products
Trends Over Time
The number and severity of CVEs published that impact Office Online Server over time
Volume of CVEsAvg CVSS Base Score
First CVE
Jun 16, 2016
10 years ago
Most Recent CVE
Jul 14, 2026
11 days ago
CVE Severity & Scoring
Office Online Server233 CVEs
18%
81%
All CVEs352,708 CVEs
45%
40%
11%
LowMediumHighCritical
Attack Vector
Local204 (87.6%)
Network29 (12.4%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low232 (99.6%)
High1 (0.4%)
Unknown0 (0.0%)
User Interaction
None13 (5.6%)
Unknown0 (0.0%)
Required220 (94.4%)
Privileges Required
Low10 (4.3%)
High0 (0.0%)
None223 (95.7%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (233 CVEs).
233 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2017-11826HIGH Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 201 | Oct 13, 2017 | 7.8 | 92 | YES | NO |
CVE-2023-21716CRITICAL Microsoft Word Remote Code Execution Vulnerability | Feb 14, 2023 | 9.8 | 77 | NO | NO |
CVE-2021-34501HIGH Microsoft Excel Remote Code Execution Vulnerability | Jul 14, 2021 | 8.8 | 57 | NO | NO |
CVE-2023-32029HIGH Microsoft Excel Remote Code Execution Vulnerability | Jun 14, 2023 | 7.8 | 51 | NO | NO |
CVE-2023-33133HIGH Microsoft Excel Remote Code Execution Vulnerability | Jun 14, 2023 | 7.8 | 41 | NO | NO |
CVE-2018-0792HIGH Microsoft Word 2016 in Microsoft Office 2016 allows a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Word Remote Code Execution Vu | Jan 10, 2018 | 8.8 | 41 | NO | NO |
CVE-2018-0797HIGH Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way RTF content is handled, aka "Microsoft Word Memor | Jan 10, 2018 | 7.8 | 38 | NO | NO |
CVE-2017-8512HIGH A remote code execution vulnerability exists in Microsoft Office when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". Thi | Jun 15, 2017 | 8.8 | 38 | NO | NO |
CVE-2016-3282HIGH Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word 2016, Word for Mac 2011, Word 2016 for Mac, Office Compatibility Pack SP3, Word Viewe | Jul 13, 2016 | 7.8 | 38 | NO | NO |
CVE-2019-1331HIGH A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vu | Oct 10, 2019 | 8.8 | 37 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (233 CVEs).
CISA KEV
1 CVE
0.4% of CVEs· 96th percentile
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
4 CVEs
1.7% of CVEs· 87th percentile
Social Chatter
Signals from CVEs in this product scope (233 CVEs).
Media Mentions
Signals from CVEs in this product scope (233 CVEs).
Top CNAs Publishing CVEs For Office Online Server
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 2016 | 12 | 7.6 | 27.5% | 1 | 0 |
| 1.0 | 10 | 8.3 | 8.1% | 0 | 0 |