CVE-2026
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Released: Sep 8, 2026
Please see Common Vulnerability Scoring System for more information on the definition of these metrics.
Origin validation error in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.
The following table provides an exploitability assessment for this vulnerability at the time of original publication.
What type of information could be disclosed by this vulnerability?
This vulnerability could expose a sign-in access token for a user’s work account. If disclosed, that token could allow access to data and services that the user is authorized to use, potentially including sensitive organizational information.
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires that the target system be set up in a specific manner and the attacker to have knowledge of that setup.
Ofek Levin with Enclave
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle .
1416/1.0.0.2026142702
Information published.
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
