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CVE-2017-8570

High CVSS 7.8 Known exploited

Published 2017-07-11 · last changed 2026-06-17 · added to CISA KEV 2022-02-25

This one is being exploited in the wild.

CISA added CVE-2017-8570 to the Known Exploited Vulnerabilities catalog on 2022-02-25. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2017-8570, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H