A security feature bypass vulnerability exists when Microsoft Yammer App for Android fails to apply the correct Intune MAM Policy.This could allow an attacker to perform functions that are restricted by Intune Policy.The security update addresses the vulnerability by correcting the way the policy is applied to Yammer App., aka 'Microsoft Yammer Security Feature Bypass Vulnerability'.
CVE-2019-1265
HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 5.0%, top 10% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 7.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 87.3%
- KEV
- Not listed
Published
September 11, 2019
Last Modified
November 21, 2024
References (2)
- secure@microsofthttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1265
- af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1265
Frequently asked(5)
What is CVE-2019-1265?
CVE-2019-1265 is a high vulnerability published on September 11, 2019. A security feature bypass vulnerability exists when Microsoft Yammer App for Android fails to apply the correct Intune MAM Policy.This could allow an attacker to perform functions that are restricted by Intune Policy.The security update addresses the vulnerability by correcting the way the policy…
When was CVE-2019-1265 disclosed?
CVE-2019-1265 was first published in the National Vulnerability Database on September 11, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-1265 actively exploited?
CVE-2019-1265 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-1265?
CVE-2019-1265 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2019-1265?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-1265, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2019-1265
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