CVE-2018-0841 Memory corruption in Microsoft Office

What is CVE-2018-0841?

CVE-2018-0841 is a high-severity memory corruption vulnerability in Microsoft Office, published on 15 Feb 2018. 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

Microsoft Office 2016 Click-to-Run allows a remote code execution vulnerability due to how objects are handled in memory, aka "Office Remote Code Execution Vulnerability"

Which versions are affected by CVE-2018-0841?

It affects 1 product.

Products include Microsoft Office.

How do I fix CVE-2018-0841?

No fix has been published for CVE-2018-0841 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-2018-0841 being exploited?

There is no known exploitation of CVE-2018-0841 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-rrp6-3c46-5336.