CVE-2021-34523 — Microsoft Exchange Server Privilege Escalation Vulnerability
CVE-2021-34523: Microsoft Exchange Server Privilege Escalation Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Microsoft |
| Product | Exchange Server |
| Date added | 2021-11-03 |
| Due date | 2021-11-17 |
| Ransomware campaign use | Known |
Description
Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-34523
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-34523
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog