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Microsoft Office Information Disclosure vulnerabilities

4 published alerts for Microsoft Microsoft Office Information Disclosure.

Microsoft MSRC

CVE-2026-55121

Microsoft Office Information Disclosure vulnerability

Microsoft Office Information Disclosure vulnerability (CVE-2026-55121) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-44821

Microsoft Office Information Disclosure vulnerability

Microsoft Office Information Disclosure vulnerability (CVE-2026-44821) 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-2026-45460

Microsoft Office Information Disclosure vulnerability

Microsoft Office Information Disclosure vulnerability (CVE-2026-45460) was added to Microsoft’s security update guidance. Microsoft is announcing the availability of the security updates for Microsoft Office for Android. Customers running affected Microsoft Office for Android software should install the update for their product to be protected from this vulnerability. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-45485

Microsoft Office Information Disclosure vulnerability

Microsoft Office Information Disclosure vulnerability (CVE-2026-45485) 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.