CVE-2017-8570

Name: CVE-2017-8570
Creator: NVD / NIST
Published: 2017-07-11T21:29:01.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10Actively ExploitedEPSS 89.89%

Last modified Jun 17, 2026

CVE-2017-8570 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 89.89% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

89.89%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Aug 25, 2022.

Affected Software

Vendor	Product	Versions	Update
Microsoft	Office	2007	Sp3
Microsoft	Office	2010	Sp2
Microsoft	Office	2013	Sp1
Microsoft	Office	2016	—

References

http://www.securityfocus.com/bid/99445Broken Link, Third Party Advisory, VDB Entry
https://github.com/ParsingTeam/ppsx-file-generatorExploit, Third Party Advisory
https://github.com/rxwx/CVE-2017-8570Third Party Advisory
https://github.com/tezukanice/Office8570Exploit, Third Party Advisory
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8570Patch, Vendor Advisory
http://www.securityfocus.com/bid/99445Broken Link, Third Party Advisory, VDB Entry
https://github.com/ParsingTeam/ppsx-file-generatorExploit, Third Party Advisory
https://github.com/rxwx/CVE-2017-8570Third Party Advisory
https://github.com/tezukanice/Office8570Exploit, Third Party Advisory
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8570Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8570US Government Resource

Timeline

Published: Jul 11, 2017
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2017-8570?

How severe is CVE-2017-8570?

CVE-2017-8570 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 89.89% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2017-8570?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8570?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST