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Vulnerability record · CVE-2014-6319 · published 11 December 2014

CVE-2014-6319: Microsoft exchange server improper access control vulnerability

Microsoft · Exchange Server

Outlook Web App (OWA) in Microsoft Exchange Server 2007 SP3, 2010 SP3, and 2013 SP1 and Cumulative Update 6 does not properly validate tokens in requests, which allows remote attackers to spoof the origin of e-mail messages via unspecified vectors, aka "Outlook Web App Token Spoofing Vulnerability."

5.0 CVSS 2.0 Medium EPSS 9.7% · top 4.6% CWE-284 · Improper access control
5.0CVSS 2.0 base score
9.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Outlook Web App (OWA) in Microsoft Exchange Server 2007 SP3, 2010 SP3, and 2013 SP1 and Cumulative Update 6 does not properly validate tokens in requests, which allows remote attackers to spoof the origin of e-mail messages via unspecified vectors, aka "Outlook Web App Token Spoofing Vulnerability."

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-075
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-075

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-6319), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.