CVE-2017-8558
7.8 · HIGHOverview
CVE-2017-8558 is a high-severity vulnerability affecting microsoft windows_defender. It was published on June 29, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on 32-bit versions of Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703 does not properly scan a specially crafted file leading to memory corruption. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability".
Remediation
Check the references section for vendor advisories and patches from microsoft. Update windows_defender to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|
References
Frequently Asked Questions
What is CVE-2017-8558?
CVE-2017-8558 is a high-severity vulnerability affecting microsoft windows_defender. It was published on June 29, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).
How severe is CVE-2017-8558?
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2017-8558?
Check the references section for vendor advisories and patches from microsoft. Update windows_defender to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-8558?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-8558 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related HIGH CVEs from 2017
View all →An issue was discovered in St. Jude Medical Merlin@home, versions prior to Version 8.2.2 (RF models:
Unrestricted file upload vulnerability in the fileUnzip->unzip method in Dotclear before 2.10.3 allo
The Parental Control panel in Genexis devices with DRGOS before 1.14.1 allows remote authenticated u
An issue was discovered in EMC ScaleIO versions before 2.0.1.1. A low-privileged local attacker may
eClinicalWorks Population Health (CCMR) suffers from an SQL injection vulnerability in portalUserSer
eClinicalWorks Population Health (CCMR) suffers from a cross-site request forgery (CSRF) vulnerabili
Microsoft Edge allows remote attackers to bypass the Same Origin Policy via vectors involving the ab
Adobe Flash Player versions 24.0.0.186 and earlier have an exploitable memory corruption vulnerabili
Adobe Flash Player versions 24.0.0.186 and earlier have an exploitable memory corruption vulnerabili
Adobe Flash Player versions 24.0.0.186 and earlier have an exploitable heap overflow vulnerability w
Adobe Flash Player versions 24.0.0.186 and earlier have an exploitable memory corruption vulnerabili
Adobe Flash Player versions 24.0.0.186 and earlier have an exploitable memory corruption vulnerabili