Actively exploited · Published Sep 13, 2017 · Assigned by microsoft
CVE-2017-8759
High 7.8 Exploited
In plain English
A high-severity code injection in Microsoft .NET Framework from Microsoft Corporation. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 88.7% (higher than 99.8% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by May 3, 2022.
Official 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."
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft Corporation | Microsoft .NET Framework | Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- 100742 vdb-entry, x_refsource_BID
- https://github.com/bhdresh/CVE-2017-8759 x_refsource_MISC
- https://github.com/nccgroup/CVE-2017-8759 x_refsource_MISC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8759 x_refsource_CONFIRM
- 42711 exploit, x_refsource_EXPLOIT-DB
- 1039324 vdb-entry, x_refsource_SECTRACK
- https://github.com/GitHubAssessments/CVE_Assessments_01_2020 x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8759 government-resource