Privilege escalation in Microsoft (MAU) Office
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-0984 |
| CWE-ID | CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Microsoft AutoUpdate Client/Desktop applications / Other client software |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU26886
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-0984
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the Microsoft AutoUpdate (MAU) application for Mac improperly validates updates before executing them. A remote attacker can place a specially crafted executable in a specific location used by the update application and execute arbitrary code in a privileged context.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft AutoUpdate: All versions
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0984
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
