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 10 of 38| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2025-29833 | Hig | 0.50 | 7.7 | 0.00 | May 13, 2025 | Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to execute code locally. | ||
| CVE-2020-24428 | Hig | 0.50 | 7.7 | 0.02 | Nov 5, 2020 | Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (and earlier) for macOS are affected by a time-of-check time-of-use (TOCTOU) race condition vulnerability that could result in local privilege escalation. Exploitation of… | ||
| CVE-2020-3982 | Hig | 0.50 | 7.7 | 0.01 | Oct 20, 2020 | VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6) contain an out-of-bounds write vulnerability due to a time-of-check time-of-use issue in ACPI device. A malicious… | ||
| CVE-2026-55524 | Hig | 0.49 | 7.5 | 0.00 | Aug 5, 2026 | PraisonAI is a multi-agent teams system. In versions prior to 1.6.58, the web_crawl tool performs its SSRF check only on the initially supplied URL, allowing the protection to be bypassed so the tool connects to attacker-chosen internal destinations. The check resolves the… | ||
| CVE-2026-5947 | Hig | 0.49 | 7.5 | 0.01 | May 20, 2026 | Undefined behavior may result due to a race condition leading to a use-after-free violation. If BIND receives an incoming DNS message signed with SIG(0), it begins work to validate that signature. If, during that validation, the "recursive-clients" limit is reached (as would… | ||
| CVE-2026-30332 | Hig | 0.49 | 7.5 | 0.00 | Apr 2, 2026 | A Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerability in Balena Etcher for Windows prior to v2.1.4 allows attackers to escalate privileges and execute arbitrary code via replacing a legitimate script with a crafted payload during the flashing process. | ||
| CVE-2025-62004 | Hig | 0.49 | 7.5 | 0.00 | Dec 18, 2025 | BullWall Server Intrusion Protection (SIP) services are initialized after login services during system startup. A local, authenticated attacker can log in after boot and before SIP MFA is running. The SIP services do not retroactively enforce MFA or disconnect sessions that were… | ||
| CVE-2025-62003 | Hig | 0.49 | 7.5 | 0.00 | Dec 18, 2025 | BullWall Server Intrusion Protection has a noticeable configuration-dependent delay before the MFA check for RDP connections. A remote, authenticated attacker can potentially bypass detection during this delay. Versions 4.6.0.0, 4.6.0.6, 4.6.0.7, and 4.6.1.4 are affected. Other… | ||
| CVE-2025-20082 | Hig | 0.49 | 7.5 | 0.00 | May 13, 2025 | Time-of-check time-of-use race condition in the UEFI firmware SmiVariable driver for the Intel(R) Server D50DNP and M50FCP boards may allow a privileged user to enable escalation of privilege via local access. | ||
| CVE-2025-29969 | Hig | 0.49 | 7.5 | 0.01 | May 13, 2025 | Time-of-check time-of-use (toctou) race condition in Windows Fundamentals allows an authorized attacker to execute code over a network. | ||
| CVE-2024-42446 | Hig | 0.49 | 7.5 | 0.00 | May 13, 2025 | APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution. | ||
| CVE-2024-54084 | Hig | 0.49 | 7.5 | 0.00 | Mar 11, 2025 | APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution. | ||
| CVE-2024-41917 | Hig | 0.49 | 7.5 | 0.00 | Feb 12, 2025 | Time-of-check time-of-use race condition for some Intel(R) Battery Life Diagnostic Tool software before version 2.4.1 may allow an authenticated user to potentially enable escalation of privilege via local access. | ||
| CVE-2024-42444 | Hig | 0.49 | 7.5 | 0.00 | Jan 14, 2025 | APTIOV contains a vulnerability in BIOS where an attacker may cause a TOCTOU Race Condition by local means. Successful exploitation of this vulnerability may lead to execution of arbitrary code on the target device. | ||
| CVE-2024-5803 | Hig | 0.49 | 7.5 | 0.00 | Oct 3, 2024 | The AVGUI.exe of AVG/Avast Antivirus before versions before 24.1 can allow a local attacker to escalate privileges via an COM hijack in a time-of-check to time-of-use (TOCTOU) when self protection is disabled. | ||
| CVE-2023-20578 | Hig | 0.49 | 7.5 | 0.00 | Aug 13, 2024 | A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution. | ||
| CVE-2024-39936 | Hig | 0.49 | 8.6 | 0.00 | Jul 4, 2024 | An issue was discovered in HTTP2 in Qt before 5.15.18, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.7, and 6.6.x through 6.7.x before 6.7.3. Code to make security-relevant decisions about an established connection may execute too early, because the encrypted() signal has… | ||
| CVE-2024-39894 | Hig | 0.49 | 7.5 | 0.02 | Jul 2, 2024 | OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur. | ||
| CVE-2023-27327 | Hig | 0.49 | 7.5 | 0.00 | May 3, 2024 | Parallels Desktop Toolgate Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute high-privileged… | ||
| CVE-2024-24995 | Hig | 0.49 | 7.5 | 0.02 | Apr 19, 2024 | A Race Condition (TOCTOU) vulnerability in web component of Ivanti Avalanche before 6.4.3 allows a remote authenticated attacker to execute arbitrary commands as SYSTEM. |
- risk 0.50cvss 7.7epss 0.00
Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to execute code locally.
- risk 0.50cvss 7.7epss 0.02
Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (and earlier) for macOS are affected by a time-of-check time-of-use (TOCTOU) race condition vulnerability that could result in local privilege escalation. Exploitation of…
- risk 0.50cvss 7.7epss 0.01
VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6) contain an out-of-bounds write vulnerability due to a time-of-check time-of-use issue in ACPI device. A malicious…
- risk 0.49cvss 7.5epss 0.00
PraisonAI is a multi-agent teams system. In versions prior to 1.6.58, the web_crawl tool performs its SSRF check only on the initially supplied URL, allowing the protection to be bypassed so the tool connects to attacker-chosen internal destinations. The check resolves the…
- risk 0.49cvss 7.5epss 0.01
Undefined behavior may result due to a race condition leading to a use-after-free violation. If BIND receives an incoming DNS message signed with SIG(0), it begins work to validate that signature. If, during that validation, the "recursive-clients" limit is reached (as would…
- risk 0.49cvss 7.5epss 0.00
A Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerability in Balena Etcher for Windows prior to v2.1.4 allows attackers to escalate privileges and execute arbitrary code via replacing a legitimate script with a crafted payload during the flashing process.
- risk 0.49cvss 7.5epss 0.00
BullWall Server Intrusion Protection (SIP) services are initialized after login services during system startup. A local, authenticated attacker can log in after boot and before SIP MFA is running. The SIP services do not retroactively enforce MFA or disconnect sessions that were…
- risk 0.49cvss 7.5epss 0.00
BullWall Server Intrusion Protection has a noticeable configuration-dependent delay before the MFA check for RDP connections. A remote, authenticated attacker can potentially bypass detection during this delay. Versions 4.6.0.0, 4.6.0.6, 4.6.0.7, and 4.6.1.4 are affected. Other…
- risk 0.49cvss 7.5epss 0.00
Time-of-check time-of-use race condition in the UEFI firmware SmiVariable driver for the Intel(R) Server D50DNP and M50FCP boards may allow a privileged user to enable escalation of privilege via local access.
- risk 0.49cvss 7.5epss 0.01
Time-of-check time-of-use (toctou) race condition in Windows Fundamentals allows an authorized attacker to execute code over a network.
- risk 0.49cvss 7.5epss 0.00
APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.
- risk 0.49cvss 7.5epss 0.00
APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.
- risk 0.49cvss 7.5epss 0.00
Time-of-check time-of-use race condition for some Intel(R) Battery Life Diagnostic Tool software before version 2.4.1 may allow an authenticated user to potentially enable escalation of privilege via local access.
- risk 0.49cvss 7.5epss 0.00
APTIOV contains a vulnerability in BIOS where an attacker may cause a TOCTOU Race Condition by local means. Successful exploitation of this vulnerability may lead to execution of arbitrary code on the target device.
- risk 0.49cvss 7.5epss 0.00
The AVGUI.exe of AVG/Avast Antivirus before versions before 24.1 can allow a local attacker to escalate privileges via an COM hijack in a time-of-check to time-of-use (TOCTOU) when self protection is disabled.
- risk 0.49cvss 7.5epss 0.00
A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.
- risk 0.49cvss 8.6epss 0.00
An issue was discovered in HTTP2 in Qt before 5.15.18, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.7, and 6.6.x through 6.7.x before 6.7.3. Code to make security-relevant decisions about an established connection may execute too early, because the encrypted() signal has…
- risk 0.49cvss 7.5epss 0.02
OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur.
- risk 0.49cvss 7.5epss 0.00
Parallels Desktop Toolgate Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute high-privileged…
- risk 0.49cvss 7.5epss 0.02
A Race Condition (TOCTOU) vulnerability in web component of Ivanti Avalanche before 6.4.3 allows a remote authenticated attacker to execute arbitrary commands as SYSTEM.