CVE-2020-1446 Memory corruption in Microsoft 365 Apps for Enterprise for 32-bit Systems
Attackers can execute arbitrary code by exploiting improper memory handling in Microsoft Word, requiring user interaction to open a malicious file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-1446?
CVE-2020-1446 is a high-severity memory corruption vulnerability in Microsoft 365 Apps, published on 14 Jul 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka 'Microsoft Word Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1447, CVE-2020-1448.
Which versions are affected by CVE-2020-1446?
It affects 8 products.
Products include Microsoft 365 Apps, Microsoft Office, Microsoft Office Online Server, Microsoft Office Web Apps, Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Server and 2 more.
How do I fix CVE-2020-1446?
No fix has been published for CVE-2020-1446 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-1446 being exploited?
There is no known exploitation of CVE-2020-1446 in the wild and no public exploit code.
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-hhh7-3xf8-52v6.