CVE-1999-0993

high

Microsoft

CVSS v3 Base Score

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Score

8.7%

Exploitation probability in 30 days

Top 8% most likely to be exploited

Attack Characteristics

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

Availability

Published: December 13, 1999 (9649 days ago)

Last Modified: April 16, 2026

Source: NVD

Description

Modifications to ACLs (Access Control Lists) in Microsoft Exchange 5.5 do not take effect until the directory store cache is refreshed.

CWE-665

microsoft exchange server