Information disclosure in Microsoft Exchange Server

CVE-2017-11761

Microsoft Exchange Server 2013 and Microsoft Exchange Server 2016 allow an input sanitization issue with Microsoft Exchange that could potentially result in unintended Information Disclosure, aka "Microsoft Exchange Information Disclosure Vulnerability"

Vulnerability class: Information Disclosure

EPSS: 0.066 (93.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-11761?
CVE-2017-11761 is a medium-severity vulnerability in Microsoft Exchange Server, classified under Information Disclosure. CVSS score: 5.3/10. Published 2017-09-13.
How severe is CVE-2017-11761?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2017-11761 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.