CVE-2019-1442 Security feature bypass in Microsoft SharePoint Server
Attackers can bypass Microsoft Office URL validation to trick victims into entering credentials, potentially leading to account takeover.
- 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-2019-1442?
CVE-2019-1442 is a medium-severity vulnerability in Microsoft Sharepoint Server, published on 12 Nov 2019. 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
A security feature bypass vulnerability exists when Microsoft Office does not validate URLs.An attacker could send a victim a specially crafted file, which could trick the victim into entering credentials, aka 'Microsoft Office Security Feature Bypass Vulnerability'.
Weakness: CWE-346
Which versions are affected by CVE-2019-1442?
It affects 1 product.
Products include Microsoft Sharepoint Server.
How do I fix CVE-2019-1442?
No fix has been published for CVE-2019-1442 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-1442 being exploited?
There is no known exploitation of CVE-2019-1442 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Server
- CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
- CVE-2026-58644 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2026-20963 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2025-53770 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2023-29357 Microsoft SharePoint Server Privilege Escalation
Sources
Also known as GHSA-wf6f-rf6g-4xh8.