Office Online Server vulnerabilitiesAnd the versions its exploited flaws hit.
Office Online Server is made by Microsoft. We track 151 published vulnerabilities in it, across 10 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 3 March 2022. If you run Office Online Server, check your version against the exploited flaws below and patch those first.
The most recent Office Online Server flaw added to the known-exploited list is CVE-2017-11826, on 3 March 2022. We keep watching the known-exploited list.
Which versions of Office Online Server do the exploited flaws hit?
Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.
- CVE-2017-11826Exploited list, 3 Mar 2022
Microsoft Office Remote Code Execution Vulnerability
2016
Which Office Online Server vulnerabilities are being exploited?
1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 7.8Microsoft Office Remote Code Execution Vulnerability
A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory.
Which Office Online Server flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 85%CVE-2023-21716Critical
Microsoft Word Remote Code Execution Vulnerability
- 81%
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 2016, Word Automation Services, and...
- 54%CVE-2023-32029High
Microsoft Excel Remote Code Execution Vulnerability
- 52%CVE-2021-34501High
Microsoft Excel Remote Code Execution Vulnerability
- 44%CVE-2023-33133High
Microsoft Excel Remote Code Execution Vulnerability
- 28%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 Vulnerability".
- 26%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 Viewer, Word Automation Services on...
- 25%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 Memory Corruption Vulnerability".
- 23%CVE-2017-8501High
Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Memory Corruption Vulnerability".
Running Office Online Server? We'll keep checking.
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1 flaw being exploited affects software Acme tracks
A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user.
- Matched to
- Office Online Server on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 151 published vulnerabilities listed under the name Office Online Server, across 10 versions. The most recent Office Online Server flaw added to the known-exploited list is CVE-2017-11826, on 3 March 2022.
1 is on the list of flaws known to be exploited. The most recently added is CVE-2017-11826.
Each flaw names its own versions, usually as ranges. The newest, CVE-2017-11826, affects 2016. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track Office Online Server. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.