CVE-2017-8759
HIGHCVSS 7.8/10Actively ExploitedEPSS 88.70%
Last modified
CVE-2017-8759 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execution Vulnerability.". CISA has confirmed active exploitation in the wild. EPSS estimates a 88.70% chance of exploitation in the next 30 days.
Description
Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execution Vulnerability."
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | .Net Framework | 4.5.2 | — |
| Microsoft | .Net Framework | 3.5.1 | — |
| Microsoft | .Net Framework | 3.5 | — |
| Microsoft | .Net Framework | 2.0 | Sp2 |
| Microsoft | .Net Framework | 4.6.1 | — |
| Microsoft | .Net Framework | 4.6 | — |
| Microsoft | .Net Framework | 4.7 | — |
| Microsoft | .Net Framework | 4.6.2 | — |
References
- https://www.securityfocus.com/bid/100742Broken Link, Third Party Advisory, VDB Entry
- https://www.securitytracker.com/id/1039324Broken Link, Third Party Advisory, VDB Entry
- https://github.com/GitHubAssessments/CVE_Assessments_01_2020Third Party Advisory
- https://github.com/bhdresh/CVE-2017-8759Exploit, Third Party Advisory
- https://github.com/nccgroup/CVE-2017-8759Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8759Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42711/Third Party Advisory, VDB Entry
- https://www.securityfocus.com/bid/100742Broken Link, Third Party Advisory, VDB Entry
- https://www.securitytracker.com/id/1039324Broken Link, Third Party Advisory, VDB Entry
- https://github.com/GitHubAssessments/CVE_Assessments_01_2020Third Party Advisory
- https://github.com/bhdresh/CVE-2017-8759Exploit, Third Party Advisory
- https://github.com/nccgroup/CVE-2017-8759Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8759Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42711/Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8759US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2017-8759?
Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execution Vulnerability."
How severe is CVE-2017-8759?
CVE-2017-8759 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 88.70% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2017-8759?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2017-8759?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST