Vulnerability · NVD

CVE-2026-42893

CVE-2026-42893, high severity (CVSS 7.4): 1 tracked app concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 7.4
Exploitation: 0.7 %
Tracked apps: 1
Still exposed: 0

Published on 2026-05-12

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

Attack vector : Network No privileges required

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

EPSS 0.71% above median percentile 51.3%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Microsoft Outlook iOS com.microsoft.Office.Outlook

Affected <5.2617.1 Fixed in 5.2617.1 Latest tracked 5.2637.1 patched

Observed affected builds (23)

5.2617.0 5.2616.0 5.2615.0 5.2614.0 5.2613.0 5.2612.0 5.2611.1 5.2611.0 5.2610.1 5.2610.0 5.2609.2 5.2609.1 5.2609.0 5.2607.0 5.2606.0 5.2605.0 5.2604.0 5.2603.0 5.2602.2 5.2602.1 5.2602.0 5.2601.0 5.2552.1

Vulnerable CPE configurations (1)

Vendor	Product	Platform	Versions	CPE 2.3 URI
microsoft	outlook iOS	iOS	<5.2617.1	cpe:2.3:a:microsoft:outlook::::::iphone_os::*

View on NVD ↗ Advisory · msrc.microsoft.com

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