CVE-2020-1342 Information disclosure in Microsoft 365 Apps for Enterprise for 32-bit Systems
An attacker can disclose memory contents via an uninitialized variable in Microsoft Office, potentially exposing sensitive data.
- 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-2020-1342?
CVE-2020-1342 is a medium-severity vulnerability in Microsoft 365 Apps, published on 14 Jul 2020. 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
An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka 'Microsoft Office Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-1445.
Which versions are affected by CVE-2020-1342?
It affects 7 products.
Products include Microsoft 365 Apps, Microsoft Office, Microsoft Office Online Server, Microsoft Office Web Apps, Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Server and 1 more.
How do I fix CVE-2020-1342?
No fix has been published for CVE-2020-1342 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-1342 being exploited?
There is no known exploitation of CVE-2020-1342 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-mhm7-fjjw-2fgr.