CVE-1999-0993: Modifications to ACLs (Access Control Lists) in Microsoft Exchange 5.5 do not take effect until the directory store cac
Summary
Modifications to ACLs (Access Control Lists) in Microsoft Exchange 5.5 do not take effect until the directory store cache is refreshed.
Severity
UNKNOWN
Source Attribution
Source: NVD · Updated: 2026-08-21T04:30:52.086Z · Confidence: high
Impact
Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.
Affected Software
Fix
Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.