CVE-2017-8663 Memory corruption in Microsoft Office

What is CVE-2017-8663?

CVE-2017-8663 is a high-severity memory corruption vulnerability in Microsoft Outlook, published on 1 Aug 2017. 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 Outlook 2007 SP3, Outlook 2010 SP2, Outlook 2013 SP1, Outlook 2013 RT SP1, and Outlook 2016 as packaged in Microsoft Office allows a remote code execution vulnerability due to the way Microsoft Outlook parses specially crafted email messages, aka "Microsoft Office Outlook Memory Corruption Vulnerability"

Weakness: CWE-119

Which versions are affected by CVE-2017-8663?

It affects 1 product.

Products include Microsoft Outlook.

How do I fix CVE-2017-8663?

No fix has been published for CVE-2017-8663 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-2017-8663 being exploited?

There is no known exploitation of CVE-2017-8663 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Outlook

• CVE-2017-11774 Microsoft Office Outlook Security Feature Bypass Exploited High 7.8
• CVE-2001-0538 Code injection in n/a Critical 10.0
• CVE-2013-3870 Use after free in n/a Critical 9.3
• CVE-2010-2728 Memory corruption in n/a Critical 9.3
• CVE-2010-0266 Code injection in n/a Critical 9.3

All Microsoft Outlook vulnerabilities

Sources

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

Also known as GHSA-8g93-59h5-qx5g.