CVE-2015-1641 Microsoft Office Memory Corruption

Exploited in the wild High 7.8 Published Updated

Remote attackers can execute arbitrary code by tricking users into opening a crafted RTF document in Microsoft Word.

Exploited in the wild
Since 3 Nov 2021
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-2015-1641?

CVE-2015-1641 is a high-severity memory corruption vulnerability in Microsoft Office, published on 14 Apr 2015. 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

Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word for Mac 2011, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 SP1, and Office Web Apps Server 2010 SP2 and 2013 SP1 allow remote attackers to execute arbitrary code via a crafted RTF document, aka "Microsoft Office Memory Corruption Vulnerability."

Weakness: CWE-787

Which versions are affected by CVE-2015-1641?

It affects 6 products.

Products include Microsoft Office, Microsoft Office Compatibility Pack, Microsoft Office Web Apps, Microsoft Outlook, Microsoft Sharepoint Server, Microsoft Word.

How do I fix CVE-2015-1641?

No fix has been published for CVE-2015-1641 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2015-1641 being exploited?

Yes. Attackers have exploited CVE-2015-1641 in the wild since at least 3 Nov 2021.

Public exploit code: 1 proofs of concept on GitHub.

All Microsoft Office vulnerabilities

Sources

Also known as GHSA-7p4q-fv59-h67q.

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