Security readout for executives and security teams
CVE-2018-0940 is a Microsoft Exchange OWA elevation-of-privilege issue tied to how links inside email bodies are rewritten. The bundle names specific Exchange 2010, 2013, and 2016 builds. Business urgency depends on whether those legacy builds still exist and whether OWA is exposed. Exposure is likely limited to environments still running the explicitly listed Exchange builds with OWA enabled or reachable. The source bundle does not support extending impact to other Exchange versions, Exchange Online, or unrelated mail products. Handle as a targeted legacy Exchange exposure check, not a KEV-driven emergency. If affected OWA systems remain reachable, prioritize vendor-guided remediation because Exchange is a high-value enterprise service. Mitigation focus: Inventory Exchange versions and compare against the exact affected builds listed.; Review the Microsoft MSRC advisory for vendor-supported update or mitigation guidance.; Prioritize remediation for internet-reachable OWA deployments on affected builds..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Privilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-0940 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0940CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.