Security readout for executives and security teams
Plain-English summary
CVE-2019-1105 is a Microsoft Outlook for Android spoofing issue triggered by specially crafted email messages. Microsoft says successful exploitation could enable cross-site scripting and script execution in the current user’s security context. The source bundle does not show active exploitation, CVSS scoring, or broader platform impact.
Executive priority
Treat this as a targeted mobile email-client risk, not a confirmed emergency. Patch affected Outlook for Android installations promptly, especially on executive and privileged-user devices, while noting the sources do not show active exploitation.
Technical view
The vulnerability is in Outlook for Android parsing of specially crafted email messages. An authenticated attacker could send a crafted email to a victim, potentially causing cross-site scripting in the affected system under the current user context. Microsoft states the security update corrects message parsing.
Likely exposure
Exposure appears limited to organizations running affected Microsoft Outlook for Android version 1.0 or unpatched builds covered by MSRC. Validate mobile application inventory and update status. The provided sources do not identify Outlook desktop, iOS, web, or Exchange Server as affected.
Exploitation context
The source bundle describes authenticated email delivery as the attack path. CISA KEV status is false, and no cited source reports active exploitation. The bundle does not provide exploit maturity, user interaction details beyond receiving the message, or public proof-of-concept status.
Researcher notes
Evidence is thin: no CVSS, CWE, exploit maturity, or detailed affected build range is included beyond Outlook for Android version 1.0. Avoid expanding scope beyond the vendor advisory and CVE record. Validation should focus on app inventory and MSRC update applicability.
Mitigation direction
- Apply the Microsoft security update for CVE-2019-1105.
- Verify Outlook for Android is updated across managed mobile devices.
- Check Microsoft guidance for any version-specific remediation details.
- Prioritize users handling sensitive mail or high-value accounts.
Validation and detection
- Inventory Android devices running Outlook for Android.
- Confirm installed Outlook versions against Microsoft update guidance.
- Review mobile management compliance for application update enforcement.
- Check mail security logs for suspicious crafted-message campaigns, where available.
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-2019-1105 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
- Outlook for Android Spoofing VulnerabilityCVE reference · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1105CVE reference · x_refsource_MISC, x_transferred
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.