Security readout for executives and security teams
Plain-English summary
CVE-2014-6326 is an Outlook Web App cross-site scripting issue in Microsoft Exchange Server 2013 SP1 and Cumulative Update 6. A remote attacker could use a crafted URL to inject script or HTML into a user’s browser session. The provided sources do not show active exploitation or a CVSS score.
Executive priority
Treat this as a legacy Exchange hygiene issue with moderate urgency. It is not shown as actively exploited in the provided sources, but externally reachable OWA on affected Exchange versions could create account-session and phishing risk. Prioritize confirmation and vendor-guided patch status.
Technical view
The CVE describes a remote XSS vulnerability in Exchange Server 2013 SP1 and CU6, tracked by Microsoft as an OWA XSS Vulnerability. It is distinct from CVE-2014-6325. The source bundle does not include exploit prerequisites, authentication details, CVSS metrics, or detailed remediation steps beyond the Microsoft MS14-075 advisory reference.
Likely exposure
Exposure is most plausible where legacy Exchange Server 2013 SP1 or CU6 remains deployed, especially if Outlook Web App is reachable by users or from the internet. Environments on newer cumulative updates or retired Exchange 2013 systems are less likely to be affected, but version verification is required.
Exploitation context
The provided sources support remote crafted-URL XSS, but do not support claims of active exploitation. CISA KEV status is false in the bundle. Practical impact depends on user interaction, OWA exposure, browser/session context, and whether Microsoft’s MS14-075 guidance has already been applied.
Researcher notes
Evidence is limited to the CVE description and Microsoft MS14-075 reference. No CVSS vector, CWE, exploit details, or patch identifiers are provided in the bundle. Avoid assuming exploitability beyond crafted-URL XSS unless the Microsoft bulletin or local testing provides more detail.
Mitigation direction
- Inventory any remaining Exchange Server 2013 deployments.
- Check specifically for Exchange 2013 SP1 or Cumulative Update 6.
- Review Microsoft MS14-075 for vendor-approved remediation.
- Apply applicable Microsoft security updates or supported cumulative updates.
- Reduce OWA exposure where business requirements allow.
Validation and detection
- Confirm Exchange version and cumulative update level.
- Verify whether MS14-075 remediation is installed.
- Review external exposure of Outlook Web App endpoints.
- Check web logs for suspicious crafted URL patterns.
- Confirm no unsupported Exchange 2013 systems remain in production.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2014-6326 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
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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
- MS14-075CVE reference · vendor-advisory, x_refsource_MS
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.