CVE-2020-1583 Microsoft Word Information Disclosure Vulnerability
An attacker can disclose memory contents by tricking a user into opening a crafted document, potentially aiding further compromise.
- 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-2020-1583?
CVE-2020-1583 is a high-severity vulnerability in Microsoft 365 Apps, published on 17 Aug 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
An information disclosure vulnerability exists when Microsoft Word improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data. To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created. The update addresses the vulnerability by changing the way certain Word functions handle objects in memory.
Which versions are affected by CVE-2020-1583?
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-2020-1583?
No fix has been published for CVE-2020-1583 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-1583 being exploited?
There is no known exploitation of CVE-2020-1583 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-97j9-x88r-5g6v.