CVE-2017-8570 Microsoft Office Remote Code Execution

Exploited in the wild High 7.8 Published Updated

Remote attackers can execute arbitrary code by exploiting how Microsoft Office handles objects in memory.

Exploited in the wild
Since 25 Feb 2022
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-2017-8570?

CVE-2017-8570 is a high-severity memory corruption vulnerability in Microsoft Office, published on 11 Jul 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 Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0243.

Which versions are affected by CVE-2017-8570?

It affects 1 product.

Products include Microsoft Office.

How do I fix CVE-2017-8570?

No fix has been published for CVE-2017-8570 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 25 Aug 2022.

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

Is CVE-2017-8570 being exploited?

Yes. Attackers have exploited CVE-2017-8570 in the wild since at least 25 Feb 2022.

Public exploit code: 1 Exploit-DB entry and 7 proofs of concept on GitHub.

All Microsoft Office vulnerabilities

Sources

Also known as GHSA-p72w-9mwc-fgvp.

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