CVE-2021-34501

Microsoft Excel Remote Code Execution Vulnerability

Microsoft Excel Remote Code Execution Vulnerability

CVSS 3.1 · 7.8 High EPSS 51.7% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Excel Excel 2013 and 4 more

CVE-2021-38658

Microsoft Office Graphics Remote Code Execution Vulnerability

Microsoft Office Graphics Remote Code Execution Vulnerability

CVSS 3.1 · 7.8 High EPSS 6.4% KEV · Not listed

Vendors

Microsoft

Products

Office Office 2013 Office 2016 and 1 more

CVE-2021-38655

Microsoft Excel Remote Code Execution Vulnerability

Microsoft Excel Remote Code Execution Vulnerability

CVSS 3.1 · 7.8 High EPSS 6.4% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Excel Excel 2013 and 6 more

CVE-2021-38654

Microsoft Office Visio Remote Code Execution Vulnerability

Microsoft Office Visio Remote Code Execution Vulnerability

CVSS 3.1 · 7.8 High EPSS 6.4% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Office Office 2019

CVE-2021-38653

Microsoft Office Visio Remote Code Execution Vulnerability

Microsoft Office Visio Remote Code Execution Vulnerability

CVSS 3.1 · 7.8 High EPSS 6.4% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Office Office 2019

CVE-2021-38650

Microsoft Office Spoofing Vulnerability

Microsoft Office Spoofing Vulnerability

CVSS 3.1 · 7.6 High EPSS 1.6% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Office Office 2013 and 2 more

CVE-2021-38646

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

CVSS 3.1 · 7.8 High EPSS 8.0% KEV · Listed

Vendors

Microsoft

Products

365 Apps Office Office 2013 and 2 more

CVE-2021-36941

Microsoft Word Remote Code Execution Vulnerability

Microsoft Word Remote Code Execution Vulnerability

CVSS 3.1 · 7.8 High EPSS 2.2% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Office Office 2019

CVE-2021-34478

Microsoft Office Remote Code Execution Vulnerability

Microsoft Office Remote Code Execution Vulnerability

CVSS 3.1 · 7.8 High EPSS 51.5% KEV · Not listed

Vendors

Microsoft

Products

365 Apps Office Office 2019

CVE-2026-55031

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 14 more

CVE-2026-55029

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 Apps Excel Excel 2016 and 14 more

CVE-2026-55047

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 18 more

CVE-2026-55141

Microsoft Excel Remote Code Execution Vulnerability

Stack-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 Apps Excel Excel 2016 and 14 more

CVE-2026-55055

Microsoft Word Remote Code Execution Vulnerability

Stack-based buffer overflow 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 18 more

CVE-2026-55132

Microsoft Word Remote Code Execution Vulnerability

Double free 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 18 more

CVE-2026-55043

Microsoft PowerPoint Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office PowerPoint 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-2026-55949

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 Apps Excel Excel 2016 and 15 more

CVE-2026-56192

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 17 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

CVE-2026-55045

Microsoft Office Remote Code Execution Vulnerability

Out-of-bounds read 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 Microsoft 365 Apps For Enterprise and 17 more