CVE-2017-8570

Microsoft Office Remote Code Execution Vulnerability

  • High 7.8
  • Exploited: added to CISA KEV 25 Feb 2022

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.

Key facts

Published
11 Jul 2017
Last changed
21 Oct 2025
Assigned by
microsoft
KEV added
25 Feb 2022
KEV fix due
25 Aug 2022
EPSS
89.889% likely to be exploited in the next 30 days, higher than 99.796% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.8CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Microsoft CorporationMicrosoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, and Microsoft Office 2016.
  • Microsoft Office (affected)

Timeline

  1. 11 Jul 2017 Published
  2. 25 Feb 2022 CVE-2017-8570 added to CISA KEV
  3. 25 Feb 2022 Added to the CISA KEV catalogue

References