CVE-2022-33648 Microsoft Excel Remote Code Execution Vulnerability
Attackers can execute arbitrary code on Microsoft Office Online Server via malicious Excel files, requiring immediate patching.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-33648?
CVE-2022-33648 is a high-severity code injection vulnerability in Microsoft Office Online Server, published on 9 Aug 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Microsoft Excel Remote Code Execution Vulnerability
Which versions are affected by CVE-2022-33648?
It affects 1 product.
Products include Microsoft Office Online Server.
How do I fix CVE-2022-33648?
No fix has been published for CVE-2022-33648 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2022-33648 being exploited?
There is no known exploitation of CVE-2022-33648 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Office Online Server
- CVE-2017-8743 Memory corruption in Microsoft Office
- CVE-2023-23396 Microsoft Excel Denial of Service Vulnerability
- CVE-2020-1442 Cross-site scripting in Microsoft Office Online Server
- CVE-2022-30159 Microsoft Office Information Disclosure Vulnerability
- CVE-2022-30171 Microsoft Office Information Disclosure Vulnerability
Sources
Also known as GHSA-h793-cg9r-h7f4.