CVE-2026-45474

Microsoft Office Remote Code Execution Vulnerability

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps 365 Copilot Microsoft 365 and 9 more

CVE-2026-45472

Microsoft Office Remote Code Execution Vulnerability

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps 365 Copilot Microsoft 365 and 10 more

CVE-2026-45475

Microsoft Office 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 12 more

CVE-2026-45471

Microsoft Word Remote Code Execution Vulnerability

Untrusted pointer dereference 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 13 more

CVE-2026-45456

Microsoft Outlook and Word Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Office 2016 and 10 more

CVE-2026-44824

Microsoft Office 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 Office 2016 and 9 more

CVE-2026-44821

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 Office 2016 and 9 more

CVE-2026-44819

Microsoft Office 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 Office 2016 and 9 more

CVE-2026-44822

Microsoft Excel Information Disclosure Vulnerability

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

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Excel Excel 2016 and 9 more

CVE-2026-45459

Microsoft Excel Security Feature Bypass Vulnerability

Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Office 2021 and 4 more

CVE-2026-45469

Microsoft Excel Remote Code Execution Vulnerability

Integer underflow (wrap or wraparound) 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 8 more

CVE-2026-45485

Microsoft Office Information Disclosure Vulnerability

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

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Office 2016 and 9 more

CVE-2026-45643

Microsoft Word Remote Code Execution Vulnerability

Untrusted pointer dereference 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 10 more

CVE-2026-45466

Microsoft Word Information Disclosure Vulnerability

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Microsoft 365 Microsoft 365 Apps For Enterprise and 6 more

CVE-2025-59227

Microsoft Office Remote Code Execution Vulnerability

Use after free 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

365 365 Apps 365 Copilot and 10 more

CVE-2025-47171

Microsoft Outlook Remote Code Execution Vulnerability

Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code locally.

CVSS 3.1 · 6.7 Medium EPSS 1.8% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Office Office 2019 and 6 more

CVE-2025-53741

Microsoft Excel Remote Code Execution Vulnerability

Heap-based buffer overflow 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

365 365 Apps Excel and 13 more

CVE-2025-53759

Microsoft Excel Remote Code Execution Vulnerability

Use of uninitialized resource 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

365 365 Apps Excel and 10 more

CVE-2025-53731

Microsoft Office Remote Code Execution Vulnerability

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

365 365 Apps Office and 9 more

CVE-2025-53735

Microsoft Excel Remote Code Execution Vulnerability

Use after free 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

365 365 Apps Excel and 12 more