VULNERABILITY INTELLIGENCE
CVE-2021-33766
CVSS score7.3 HIGH
EPSS probability98.18%
CISA KEVKnown exploited vulnerability
Published2021-07-14
Last modified2026-08-10
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Known Exploited Vulnerability
Microsoft Exchange Server Information Disclosure
Vendor / product: Microsoft / Exchange Server
Description
Microsoft Exchange Server Information Disclosure Vulnerability
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- secure@microsoft.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource