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Microsoft Exchange Server Spoofing vulnerabilities

2 published alerts for Microsoft Microsoft Exchange Server Spoofing.

Microsoft MSRC

CVE-2026-42897

Microsoft Exchange Server Spoofing vulnerability

Microsoft Exchange Server Spoofing vulnerability (CVE-2026-42897) was added to Microsoft’s security update guidance. Updated FAQ information. This is an informational change only. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-55008

Microsoft Exchange Server Spoofing vulnerability

Microsoft Exchange Server Spoofing vulnerability (CVE-2026-55008) was added to Microsoft’s security update guidance. Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.