VYPR

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

BaseIncompleteLikelihood: Medium

Description

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

Hierarchy (View 1000)

Parents

Children

Related attack patterns (CAPEC)

CAPEC-27 · CAPEC-29

CVEs mapped to this weakness (741)

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  • CVE-2023-20523MedJan 11, 2023
    risk 0.37cvss 5.7epss 0.00

    TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of service.

  • CVE-2026-45647MedJun 9, 2026
    risk 0.36cvss 5.5epss 0.00

    Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.

  • CVE-2025-22850MedMar 10, 2026
    risk 0.36cvss epss 0.00

    Time-of-check time-of-use race condition in the UEFI PdaSmm module for some Intel(R) reference platforms may allow an information disclosure. System software adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may…

  • CVE-2026-21912MedJan 15, 2026
    risk 0.36cvss 5.5epss 0.00

    A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the method to collect FPC Ethernet firmware statistics of Juniper Networks Junos OS on MX10k Series allows a local, low-privileged attacker executing the 'show system firmware' CLI command to cause an LC480 or…

  • CVE-2025-54271MedOct 15, 2025
    risk 0.36cvss 5.6epss 0.00

    Creative Cloud Desktop versions 6.7.0.278 and earlier are affected by a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability that could lead to arbitrary file system write. A low-privileged attacker could exploit the timing between the check and use of a resource,…

  • CVE-2025-42701MedOct 8, 2025
    risk 0.36cvss 5.6epss 0.00

    A race condition exists in the Falcon sensor for Windows that could allow an attacker, with the prior ability to execute code on a host, to delete arbitrary files. CrowdStrike released a security fix for this issue in Falcon sensor for Windows versions 7.24 and above and all…

  • CVE-2025-46805MedMay 26, 2025
    risk 0.36cvss 5.5epss 0.00

    Screen version 5.0.0 and older version 4 releases have a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to privileged processes when installed setuid-root.

  • CVE-2025-21431MedApr 7, 2025
    risk 0.36cvss 5.5epss 0.00

    Information disclosure may be there when a guest VM is connected.

  • CVE-2024-2440MedApr 19, 2024
    risk 0.36cvss 5.5epss 0.00

    A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on a detached repository by making a GraphQL mutation to alter repository permissions while the repository is detached. This vulnerability affected all versions of GitHub Enterprise…

  • CVE-2024-21362MedFeb 13, 2024
    risk 0.36cvss 5.5epss 0.00

    Windows Kernel Security Feature Bypass Vulnerability

  • CVE-2021-31427MedApr 29, 2021
    risk 0.36cvss 5.6epss 0.00

    This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.5-47309. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability.…

  • CVE-2020-8833MedApr 22, 2020
    risk 0.36cvss 5.6epss 0.00

    Time-of-check Time-of-use Race Condition vulnerability on crash report ownership change in Apport allows for a possible privilege escalation opportunity. If fs.protected_symlinks is disabled, this can be exploited between the os.open and os.chown calls when the Apport cron…

  • CVE-2026-54777MedJul 8, 2026
    risk 0.35cvss 6.5epss 0.00

    CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF NetNamedPipe transport accepts attachment to a pre-existing named pipe instance, allowing local interception of NetNamedPipe traffic when an attacker…

  • CVE-2026-9796MedMay 28, 2026
    risk 0.35cvss 6.5epss 0.00

    A flaw was found in Keycloak. An authenticated administrator with the `manage-clients` role can exploit a Time-of-check to time-of-use (TOCTOU) vulnerability in the name-based admin role checks. This allows the attacker to escalate their privileges to `realm-admin` for all users…

  • CVE-2026-26206MedApr 29, 2026
    risk 0.35cvss 6.5epss 0.00

    Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.0.0 to before version 4.14.4, Wazuh's server API brute-force protection for POST /security/user/authenticate can be bypassed by sending concurrent authentication…

  • CVE-2026-40896MedApr 20, 2026
    risk 0.35cvss 6.5epss 0.00

    OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with `manage_agendas` permission in any project can inject agenda items into meetings belonging to any other project on the instance — even projects they have no access to. No…

  • CVE-2026-3428MedApr 16, 2026
    risk 0.35cvss epss 0.00

    A Download of Code Without Integrity Check vulnerability in the update modules in ASUS Member Center(华硕大厅) allows a local user to achieve privilege escalation to Administrator via exploitation of a Time-of-check Time-of-use (TOC-TOU) during the update process, where an…

  • CVE-2026-1880MedApr 16, 2026
    risk 0.35cvss epss 0.00

    An Incorrect Permission Assignment for Critical Resource vulnerability in the ASUS DriverHub update process allows privilege escalation due to improper protection of required execution resources during the validation phase, permitting a local user to make unprivileged…

  • CVE-2026-3590MedApr 15, 2026
    risk 0.35cvss 6.5epss 0.00

    Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 11.4.x <= 11.4.2, 11.3.x <= 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated…

  • CVE-2026-32043MedMar 21, 2026
    risk 0.35cvss 6.5epss 0.00

    OpenClaw versions prior to 2026.2.25 contain a time-of-check-time-of-use vulnerability in approval-bound system.run execution where the cwd parameter is validated at approval time but resolved at execution time. Attackers can retarget a symlinked cwd between approval and…