CVE-2019-1461 Denial of service in Microsoft Office

What is CVE-2019-1461?

CVE-2019-1461 is a medium-severity denial of service vulnerability in Microsoft Office, published on 10 Dec 2019. 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 denial of service vulnerability exists in Microsoft Word software when the software fails to properly handle objects in memory, aka 'Microsoft Word Denial of Service Vulnerability'.

Which versions are affected by CVE-2019-1461?

It affects 3 products.

Products include Microsoft Office, Microsoft Office 365 Proplus, Microsoft Word.

How do I fix CVE-2019-1461?

No fix has been published for CVE-2019-1461 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-1461 being exploited?

There is no known exploitation of CVE-2019-1461 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Office

• CVE-2018-0798 Microsoft Office Memory Corruption Exploited High 8.8
• CVE-2015-1770 Microsoft Office Uninitialized Memory Use Exploited High 8.8
• CVE-2006-2492 Microsoft Word Malformed Object Pointer Exploited High 8.8
• CVE-2018-0802 Microsoft Office Memory Corruption Exploited High 7.8
• CVE-2017-11882 Microsoft Office Memory Corruption Exploited High 7.8

All Microsoft Office vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mjcp-9f67-vvv5.