CVE-2019-1266

At a glance

Severity: Not available
EPSS: EPSS 1.98 % · percentile 80 (2026-10-27)
State: PUBLISHED
Published: 2019-09-11
Updated: 2024-08-04
Assigner: microsoft
NVD status: Modified

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'.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-79

European references

ENISA EUVD · EUVD-2019-9831
GCVE · GCVE-0-2019-1266

CERT-FR advisories

CERTFR-2019-AVI-570 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
CERTFR-2019-AVI-438 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*

Affected products

Product	Versions
Microsoft · Microsoft Exchange Server 2016	affected Cumulative Update 12 ; affected Cumulative Update 13
Microsoft · Microsoft Exchange Server 2019	affected Cumulative Update 1 ; affected Cumulative Update 2

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1266

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD