RCE in Microsoft .Net_framework
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."
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.887 (99.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft .Net_framework — versions 4.5.2, 3.5.1, 3.5
- Microsoft Windows_10_1507
- Microsoft Windows_10_1511
- Microsoft Windows_10_1607
- Microsoft Windows_10_1703
- Microsoft Windows_7
- Microsoft Windows_8.1
- Microsoft Windows_rt_8.1
- Microsoft Windows_server_2008 — versions r2, sp2
- Microsoft Windows_server_2012 — versions r2
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- secure@microsoft.com (Exploit, Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (Exploit, Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
- secure@microsoft.com (Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2017-8759?
- CVE-2017-8759 is a high-severity vulnerability in Microsoft .Net_framework, classified under Code Injection. CVSS score: 7.8/10. Published 2017-09-13.
- How severe is CVE-2017-8759?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-8759 known to be exploited?
- Yes. CVE-2017-8759 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 140 public proof-of-concept repositories are indexed.