CVE-2026-56191 Microsoft Exchange Online Tampering Vulnerability
Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network.
EPSS 0.01 CVE-2026-56191 Microsoft US
Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network.
EPSS 0.01 CVE-2026-56191 Microsoft US