CVE-2018-8581
CISA KEVPublished March 3, 2022 · Updated April 3, 2026
high
Official Description+
A privilege escalation vulnerability exists in Microsoft Exchange Server. An attacker who successfully exploited this vulnerability could attempt to impersonate any other user of the Exchange server.
Affected Products
| Vendor | Product |
|---|---|
| Microsoft | Exchange Server |
Patch Status
Patch by 2022-03-17
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2018-8581.