CVE-2026-49159
Microsoft Graph Information Disclosure vulnerability
Microsoft·Microsoft Graph Information Disclosure
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. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Sources
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