Cyber Resilience

CVE-2017-8570

Microsoft Office 2007 … 2016

CISA KEVActive ExploitationEUVD ExploitedPublic PoC
Published
11 July 2017
Modified
22 April 2026
KEV Added
25 February 2022
Patch / advisory
CVSS Score v3.1 7.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.86 99.7th percentile
Risk Priority 83 floored blend · peak EPSS

Summary

CVE-2017-8570 is a high-severity an unspecified weakness vulnerability in Microsoft Office. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 0.3% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog; a public proof-of-concept is referenced.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

Microsoft Office is affected by a remote code execution vulnerability that stems from improper handling of objects in memory. The flaw, tracked as CVE-2017-8570 and distinct from CVE-2017-0243, carries a CVSS 3.1 base score of 7.8 with an attack vector requiring local access and user interaction.

An attacker can exploit the issue by supplying a specially crafted document that, once opened in a vulnerable Office application, allows arbitrary code to run in the context of the current user. Successful exploitation yields full control over confidentiality, integrity, and availability of the affected system without any elevation of privileges.

Public references include the Microsoft Security Response Center advisory at portal.msrc.microsoft.com, a SecurityFocus entry, and multiple repositories hosting proof-of-concept generators for PPSX and related file formats, indicating that working exploit code has been shared since disclosure.

EU & UK References

Vulnerability Data

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.

CWE(s)
KEV Date Added
25 February 2022

Related Threats

CVEs Like This One

CVE-2015-1642Same product: Microsoft Officeboth on KEV
CVE-2021-27059Same product: Microsoft Officeboth on KEV
CVE-2015-2545Same product: Microsoft Officeboth on KEV
CVE-2013-1331Same product: Microsoft Officeboth on KEV
CVE-2015-1770Same product: Microsoft Officeboth on KEV
CVE-2017-0261Same product: Microsoft Officeboth on KEV
CVE-2017-0262Same product: Microsoft Officeboth on KEV
CVE-2017-11882Same product: Microsoft Officeboth on KEV
CVE-2010-3333Same product: Microsoft Officeboth on KEV
CVE-2006-2492Same product: Microsoft Officeboth on KEV

Affected Assets

microsoft
office
2007, 2010, 2013, 2016

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References