CVE Feed

    Dashboard / CVE / CVE-2025-59223

    CVE-2025-59223

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

    Published:Oct 14, 2025
    Last Modified:Feb 26, 2026
    EPS:Oct 14, 2025
    EPSS Score:0.00139
    CVSS Score:7.8

    Affected Products

    Vendor
    Microsoft
    Product
    365
    Vendor
    Microsoft
    Product
    365 Apps
    Vendor
    Microsoft
    Product
    Excel
    Vendor
    Microsoft
    Product
    Excel 2016
    Vendor
    Microsoft
    Product
    Office
    Vendor
    Microsoft
    Product
    Office 2016
    Vendor
    Microsoft
    Product
    Office 2019
    Vendor
    Microsoft
    Product
    Office 2021
    Vendor
    Microsoft
    Product
    Office 2024
    Vendor
    Microsoft
    Product
    Office Long Term Servicing Channel
    Vendor
    Microsoft
    Product
    Office Macos 2021
    Vendor
    Microsoft
    Product
    Office Macos 2024
    Vendor
    Microsoft
    Product
    Office Online Server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-81959 (CVSS 7.8) — Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81388 (CVSS 7.8) — Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81395 (CVSS 5.5) — Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.…
    CVE-2026-81401 (CVSS 5.5) — Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized…
    CVE-2026-80085 (CVSS 8.8) — Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a net…
    CVE-2026-78520 (CVSS 6.5) — Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.…
    CVE-2026-69734 (CVSS 6.5) — Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose informatio…
    CVE-2026-68815 (CVSS 7.8) — Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-68810 (CVSS 7.8) — Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locall…
    CVE-2026-68796 (CVSS 7.8) — Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High