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    CVE-2026-88077

    Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

    Published:Oct 29, 2026
    Last Modified:Oct 30, 2026
    EPS:Oct 29, 2026
    EPSS Score:0.00638
    CVSS Score:8.8

    Affected Products

    Vendor
    Microsoft
    Product
    Edge Chromium
    Vendor
    Microsoft
    Product
    Microsoft Edge (chromium-based)

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-69446 (CVSS 4.4) — Incorrect authorization in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges…
    CVE-2026-88078 (CVSS 4.3) — Improper verification of cryptographic signature in Microsoft Edge (Chromium-based) allows an unauthorized att…
    CVE-2026-96196 (CVSS 8.8) — Incomplete list of disallowed inputs in Microsoft Edge (Chromium-based) allows an unauthorized attacker to byp…
    CVE-2026-96187 (CVSS 7.4) — Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an una…
    CVE-2026-85899 (CVSS 8.1) — Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges over a n…
    CVE-2026-85330 (CVSS 4.3) — Incorrect authorization in Microsoft Edge for Android allows an unauthorized attacker to bypass a security fea…
    CVE-2026-88090 (CVSS 5.4) — Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an una…
    CVE-2026-20942 (CVSS 4.3) — Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an unauthorized…
    CVE-2026-96203 (CVSS 8.8) — Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a…
    CVE-2026-96192 (CVSS 8.8) — Use after free in Microsoft Edge for iOS allows an unauthorized attacker to execute code over a network.…

    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