CVE-2020-17087
highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.054 · 93 %ileexploit · PoCEURUUSadded 2021-11-03remediate by 2022-05-03
required action Apply updates per vendor instructions.
EPSS · scored 2026-10-27
Microsoft Windows Kernel Privilege Escalation Vulnerability
Windows Kernel Local Elevation of Privilege Vulnerability
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (3)
Public proof-of-concept and weaponised exploit code.
- raiden757/CVE-2020-17087raiden757/CVE-2020-17087PoC · poc_in_github
- revengsh/CVE-2020-17087A CVE-2020-17087 PoC.PoC · poc_in_github
- ykg88/OHTS_IE6052-CVE-2020-17087ykg88/OHTS_IE6052-CVE-2020-17087PoC · poc_in_github
affected products (77)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-17087cnnvd
- https://packetstormsecurity.com/files/159777/Microsoft-Windows-Kernel-cng.sys-Buffer-Overflow.htmlcnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087cnnvd
- https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-17087cnnvd
- https://vigilance.fr/vulnerability/Windows-privilege-escalation-via-cng-sys-33750cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087enisa_euvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087PatchVendor Advisorynvd
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17087US Government Resourcenvd
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