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CVE-2019-1218

Outlook iOS Spoofing Vulnerability

Published: Aug 14, 2019Updated: Feb 20, 2026 Sources: CVE List NVD BDUCWE-79
NVD MITRE
5.4CVSSMEDIUM
EPSS Score
3.9%
Top 11.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A spoofing vulnerability exists in the way Microsoft Outlook iOS software parses specifically crafted email messages. An authenticated attacker could exploit the vulnerability by sending a specially crafted email message to a victim. The attacker who successfully exploited this vulnerability could then perform cross-site scripting attacks on the affected systems and run scripts in the security context of the current user. The security update addresses the vulnerability by correcting how Outlook iOS parses specially crafted email messages.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

outlookmicrosoft
On-premDesktop App
Consumer Software / productivity
Outlook for iOSMicrosoft
On-prem
Operating Systems / windows
Microsoft OutlookMicrosoft Corp
On-premDesktop App
Consumer Software / productivity
microsoftcommercialUSOperating Systems
microsoft corpcommercialUSOperating Systemsaka microsoft corporation

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1218
portal.msrc.microsoft.com
https://nvd.nist.gov/vuln/detail/CVE-2019-1218
nvd.nist.gov

Timeline

Published
Aug 14, 2019
Last Updated
Feb 20, 2026

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