pypi package report

Is pywin32 safe?

1 known vulnerability, worst severity HIGH.

// reach

0 direct dependencies

none carry a known advisory

    116 packages depend on it

    an advisory here reaches each of them

    Create a free accountfor every dependency path, dependent and what to upgrade
    // ai model usage

    No published models are known to use this package.


    cvss
    6.5
    medium

    CVSS v3.1 base score out of 10; GitHub rates it HIGH

    epss
    1.7%
    medium

    chance of exploitation in 30 days, 78th percentile of all CVEs

    xyz score
    4.5
    medium

    CyberXYZ composite out of 10

    fig. 01 — GHSA-hwfp-hg2m-9vr2, the advisory selected below

    // 1 advisories

    GHSA-hwfp-hg2m-9vr2

    HIGHGitHub ratingCVE-2021-32559

    An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process.

    // cvss v3.1 vector

    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

    Attack vector
    Network
    Attack complexity
    Low
    Privileges required
    Low
    User interaction
    None
    Scope
    Unchanged
    Confidentiality
    None
    Integrity
    None
    Availability
    High

    Checked 2026-11-06 at 22:26 UTC. The most recent advisory here was published 2021-08-09. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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