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    CVE-2026-118131

    GnuPG (version 2.5.21) for Windows contains a vulnerability where default Discretionary Access Control List (DACL) inheritance on the C:\ProgramData directory allows members of the BUILTIN\Users group to create arbitrary subdirectories under this path. An attacker with low-privilege access can create the expected GnuPG configuration directory and inject malicious configuration files consumed by GnuPG components. This can result in code execution within the security context of the victim user.

    Published:Oct 27, 2026
    Last Modified:Oct 27, 2026
    EPS:Oct 27, 2026
    EPSS Score:
    CVSS Score:

    Affected Products

    Vendor
    Gnupg
    Product
    Gnupg

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

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    CVE-2026-24881 (CVSS 8.1) — In GnuPG before 2.5.17, a crafted CMS (S/MIME) EnvelopedData message carrying an oversized wrapped session key…
    CVE-2025-68973 (CVSS 7.8) — In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intend…
    CVE-2025-68972 (CVSS 5.9) — In GnuPG through 2.4.8, if a signed message has \f at the end of a plaintext line, an adversary can construct …
    CVE-2025-30258 (CVSS 2.7) — In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a…
    CVE-2022-3515 (CVSS 9.8) — A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnera…
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    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
    CVE-2026-118131 — Gnupg | CVE-DB