CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
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)
Related attack patterns (CAPEC)
CAPEC-27 · CAPEC-29
CVEs mapped to this weakness (741)
page 26 of 38| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2023-20523 | Med | 0.37 | 5.7 | 0.00 | Jan 11, 2023 | 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-2026-45647 | Med | 0.36 | 5.5 | 0.00 | Jun 9, 2026 | Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally. | ||
| CVE-2025-22850 | Med | 0.36 | — | 0.00 | Mar 10, 2026 | 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-2026-21912 | Med | 0.36 | 5.5 | 0.00 | Jan 15, 2026 | 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-2025-54271 | Med | 0.36 | 5.6 | 0.00 | Oct 15, 2025 | 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-2025-42701 | Med | 0.36 | 5.6 | 0.00 | Oct 8, 2025 | 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-2025-46805 | Med | 0.36 | 5.5 | 0.00 | May 26, 2025 | 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-2025-21431 | Med | 0.36 | 5.5 | 0.00 | Apr 7, 2025 | Information disclosure may be there when a guest VM is connected. | ||
| CVE-2024-2440 | Med | 0.36 | 5.5 | 0.00 | Apr 19, 2024 | 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-2024-21362 | Med | 0.36 | 5.5 | 0.00 | Feb 13, 2024 | Windows Kernel Security Feature Bypass Vulnerability | ||
| CVE-2021-31427 | Med | 0.36 | 5.6 | 0.00 | Apr 29, 2021 | 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-2020-8833 | Med | 0.36 | 5.6 | 0.00 | Apr 22, 2020 | 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-2026-54777 | Med | 0.35 | 6.5 | 0.00 | Jul 8, 2026 | 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-2026-9796 | Med | 0.35 | 6.5 | 0.00 | May 28, 2026 | 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-2026-26206 | Med | 0.35 | 6.5 | 0.00 | Apr 29, 2026 | 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-2026-40896 | Med | 0.35 | 6.5 | 0.00 | Apr 20, 2026 | 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-2026-3428 | Med | 0.35 | — | 0.00 | Apr 16, 2026 | 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-2026-1880 | Med | 0.35 | — | 0.00 | Apr 16, 2026 | 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-2026-3590 | Med | 0.35 | 6.5 | 0.00 | Apr 15, 2026 | 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-2026-32043 | Med | 0.35 | 6.5 | 0.00 | Mar 21, 2026 | 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… |
- 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.
- 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.
- 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…
- 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…
- 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,…
- 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…
- 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.
- risk 0.36cvss 5.5epss 0.00
Information disclosure may be there when a guest VM is connected.
- 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…
- risk 0.36cvss 5.5epss 0.00
Windows Kernel Security Feature Bypass Vulnerability
- 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.…
- 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…
- 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…
- 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…
- 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…
- 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…
- 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…
- 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…
- 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…
- 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…