msrc_CVE-2026-42893

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Microsoft Outlook for iOS Tampering Vulnerability

view advisory published 2026-05-12

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-42893UShigh7.5—
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to perform tampering over a network.
02

references

External citations — patches, advisories, analysis.

03

remediations (1)

  • FixedMicrosoft Outlook for iOS

    5.2617.1:Security Update

scry

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