| CVE ID | CVE-2020-16939 |
| CVSS SCORE | 7.3, AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| AFFECTED VENDORS |
Microsoft |
| AFFECTED PRODUCTS |
Windows |
| VULNERABILITY DETAILS |
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Group Policy Client service. By creating a junction, an attacker can abuse the service to gain control of files and folders. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of an administrator. |
| ADDITIONAL DETAILS |
Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-16939 |
| DISCLOSURE TIMELINE |
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| CREDIT | Nabeel Ahmed (@rogue_kdc) of NTT |
