2026 CVE Vulnerabilities

56,981 CVEs published in 2026.

CVE IDSeverityCVSSDescription
CVE-2026-55120HIGH7.8Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
CVE-2026-55058HIGH7.8Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55057MEDIUM5.5Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55056HIGH7.8Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55055HIGH7.8Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55054MEDIUM6.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-55053HIGH7.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55052HIGH8.8Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-55051MEDIUM6.5Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information ...
CVE-2026-55050MEDIUM5.5Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVE-2026-55049HIGH7.8Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55048HIGH7.8Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55047MEDIUM5.5Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55046MEDIUM5.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-55045HIGH8.4Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55044HIGH7.8Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55043HIGH7.8Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
CVE-2026-55042MEDIUM5.5Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55041HIGH7.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55040CRITICAL9.1Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a n...
CVE-2026-55039HIGH7.8Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally...
CVE-2026-55038HIGH7.8Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55037HIGH7.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55036HIGH7.8Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55035LOW3.3Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

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