CVE-2023-33148 Microsoft Office Elevation of Privilege Vulnerability
Attackers can exploit a path traversal flaw in Microsoft Office to escalate privileges on affected systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-33148?
CVE-2023-33148 is a high-severity path traversal vulnerability in Microsoft 365 Apps, published on 11 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Microsoft Office Elevation of Privilege Vulnerability
Weakness: CWE-59
Which versions are affected by CVE-2023-33148?
It affects 3 products.
Products include Microsoft 365 Apps, Microsoft Office, Microsoft Office Long Term Servicing Channel.
How do I fix CVE-2023-33148?
No fix has been published for CVE-2023-33148 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-33148 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-33148 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft 365 Apps
- CVE-2024-21413 Microsoft Outlook Improper Input Validation
- CVE-2023-23397 Microsoft Office Outlook Privilege Escalation
- CVE-2024-38189 Microsoft Project Remote Code Execution Vulnerability
- CVE-2023-35311 Microsoft Outlook Security Feature Bypass
- CVE-2026-21514 Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision
Sources
Also known as GHSA-cr38-7wwg-698r.