CVE-2026-42893 PUBLISHED

Microsoft Outlook for iOS Tampering Vulnerability

Assigner: microsoft
Reserved: 30.04.2026 Published: 12.05.2026 Updated: 12.05.2026

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to perform tampering over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C
CVSS Score: 7.4

Product Status

Vendor Microsoft
Product Microsoft Outlook for iOS
Versions
  • affected from 1.0.0 to 5.2617.1 (excl.)

References

Problem Types