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-2026-77911

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 15 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-2026-80082

Microsoft Office Information Disclosure Vulnerability

Out-of-bounds read 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 12 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-2026-80085

Microsoft Office Word Remote Code Execution Vulnerability

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

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

Vendors

Microsoft

Products

365 365 Apps Microsoft 365 and 9 more

CVE-2026-78503

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 Office 365 For Mac and 12 more

CVE-2026-81388

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

365 365 Apps Excel and 15 more

CVE-2026-81391

Microsoft Excel Information Disclosure Vulnerability

Use of uninitialized resource 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 11 more

CVE-2026-81393

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 11 more

CVE-2026-72975

Microsoft Office PowerPoint Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office PowerPoint 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 Office 365 For Mac and 8 more

CVE-2026-63518

Microsoft Office Word Remote Code Execution Vulnerability

Heap-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 14 more

CVE-2026-65807

Microsoft Excel Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel 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 Excel Excel 2016 and 14 more

CVE-2026-68815

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 15 more

CVE-2026-63528

Microsoft Office Word Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office Word 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 14 more

CVE-2026-64915

Microsoft Office Word Remote Code Execution Vulnerability

Heap-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 14 more

CVE-2026-62842

Microsoft Office Graphics Component 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 Office 365 For Mac and 10 more

CVE-2026-65664

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 12 more