SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-1265

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…

HIGH 7.5EPSS 3.37%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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'.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
3.37% probability · 89th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
microsoft/yammer
Source
secure@microsoft.com
EPSS trend
0%3%5%27 October 2026: 3.37%27 October 202627 October 2026

EPSS 3.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.