Medium severity6.1NVD Advisory· Published Sep 11, 2019· Updated Jun 17, 2026

CVE-2019-1266

Description

A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web App (OWA) fails to properly handle web requests, aka 'Microsoft Exchange Spoofing Vulnerability'.

Affected products

Microsoft/Exchange Serverllm-fuzzy3 versions
(expand)+ 2 more
- (no CPE)
- (no CPE)range: Cumulative Update 12
- (no CPE)range: Cumulative Update 1

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1266nvdPatchVendor Advisory

News mentions

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cvss	0.397
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000