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Microsoft Excel Information Disclosure vulnerabilities

2 published alerts for Microsoft Microsoft Excel Information Disclosure.

Microsoft MSRC

CVE-2026-44822

Microsoft Excel Information Disclosure vulnerability

Microsoft Excel Information Disclosure vulnerability (CVE-2026-44822) was added to Microsoft’s security update guidance. Microsoft is announcing the availability of the security updates for Microsoft Office for Mac. Customers running affected Mac software should install the update for their product to be protected from this vulnerability. Customers running other Microsoft Office software do not… PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-45455

Microsoft Excel Information Disclosure vulnerability

Microsoft Excel Information Disclosure vulnerability (CVE-2026-45455) was added to Microsoft’s security update guidance. Microsoft is announcing the availability of the security updates for Microsoft Office for Mac. Customers running affected Mac software should install the update for their product to be protected from this vulnerability. Customers running other Microsoft Office software do not… PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.