Microsoft Office 2016 CVEs and Security Vulnerabilities

CVE-2026-62804

Microsoft Word Remote Code Execution Vulnerability

External control of file name or path in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Microsoft 365 Apps For Enterprise and 11 more

CVE-2026-80088

Microsoft Office Word Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Microsoft 365 Apps For Enterprise and 14 more

CVE-2026-81400

Microsoft Excel Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Excel Excel 2016 and 17 more

CVE-2026-81394

Microsoft Excel Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 365 Apps Excel and 18 more

CVE-2026-78519

Microsoft Office Outlook Remote Code Execution Vulnerability

Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Apps For Enterprise Microsoft Office 2016 and 8 more

CVE-2026-81399

Microsoft Excel Information Disclosure Vulnerability

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Excel Excel 2016 and 17 more

CVE-2026-81956

Microsoft Excel Remote Code Execution Vulnerability

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Excel Excel 2016 and 18 more

CVE-2026-81955

Windows Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Apps For Enterprise Microsoft Office 2016 and 39 more

CVE-2026-80091

Microsoft Office Information Disclosure Vulnerability

Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information over a network.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Microsoft 365 Apps For Enterprise and 14 more

CVE-2026-63513

Microsoft Office Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Microsoft 365 Apps For Enterprise and 14 more

CVE-2026-55121

Microsoft Office Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Microsoft 365 Apps For Enterprise and 19 more

Search vulnerabilities

Microsoft Word Remote Code Execution Vulnerability

Microsoft Office Word Information Disclosure Vulnerability

Microsoft Excel Information Disclosure Vulnerability

Microsoft Excel Information Disclosure Vulnerability

Microsoft Office Outlook Remote Code Execution Vulnerability

Microsoft Excel Information Disclosure Vulnerability

Microsoft Excel Remote Code Execution Vulnerability

Windows Graphics Component Remote Code Execution Vulnerability

Microsoft Office Information Disclosure Vulnerability

Microsoft Office Graphics Component Remote Code Execution Vulnerability

Microsoft Office Information Disclosure Vulnerability