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CVE-2026-49159

Microsoft Graph Information Disclosure vulnerability

Microsoft

MSRC advisory July 23, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-49159
Affected products
Microsoft Graph Information Disclosure · Microsoft Microsoft Graph Information Disclosure · Microsoft

What happened

Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network.

What it means for your business

Microsoft Graph Information Disclosure vulnerability (CVE-2026-49159) was added to Microsoft’s security update guidance. Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network. If you need help checking exposure, call (864) 335-9223.

Sources

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