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CVE-2017-8759

Published: Sep 13, 2017Updated: Apr 22, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
7.8CVSSHIGH
EPSS Score
88.7%
Top 0.2%
CISA KEV
Active Exploitation
Since Nov 3, 2021
Exploits
3 Known
Remediation
Patch Available

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."

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfoCWE-94

Affected Products

Microsoft .NET Framework 3.5Microsoft Corp
LibraryLibrary
Operating Systems / windows
Microsoft .NET Framework 3.5.1Microsoft Corp
LibraryLibrary
OSS Libraries / generic-library
Microsoft .NET Framework 4.5.2Microsoft Corp
LibraryLibrary
OSS Libraries / generic-library
Microsoft .NET Framework 4.6Microsoft Corp
On-premOS
Operating Systems / windows
Microsoft .NET Framework 4.6.1Microsoft Corp
LibraryLibrary
OSS Libraries / generic-library
microsoft corpcommercialUSOperating Systemsaka microsoft corporation
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Nov 3, 2021
Remediation due:May 3, 2022

Required action: Apply updates per vendor instructions.

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.fireeye.com/blog/threat-research/2017/09/zero-day-used-to-distribute-finspy.html
fireeye.com
http://www.securityfocus.com/bid/100742
securityfocus.com
http://www.securitytracker.com/id/1039324
securitytracker.com
and 9 more references View all →

Timeline

Published
Sep 13, 2017
Added to CISA KEV
Nov 3, 2021
Last Updated
Apr 22, 2026

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