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Common Weakness Enumeration

CWE-367

Allowed

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

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

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.

1284 vulnerabilities reference this CWE, most recent first.

CVE-2025-20082 (GCVE-0-2025-20082)

Vulnerability from cvelistv5 – Published: 2025-05-13 21:02 – Updated: 2026-02-26 18:28
VLAI
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-16 03:55 UTC
CWE
  • Escalation of Privilege
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Vendor Product Version
n/a Intel(R) Server D50DNP and M50FCP boards Affected: See references
Show details on NVD website
To clipboard 

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CVE-2025-20074 (GCVE-0-2025-20074)

Vulnerability from cvelistv5 – Published: 2025-08-12 16:58 – Updated: 2026-02-26 17:49
VLAI
Summary
Time-of-check Time-of-use race condition for some Intel(R) Connectivity Performance Suite software installers before version 40.24.11210 may allow an authenticated user to potentially enable escalation of privilege via local access.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-14 03:56 UTC
CWE
  • Escalation of Privilege
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Vendor Product Version
n/a Intel(R) Connectivity Performance Suite software installers Affected: before version 40.24.11210
Show details on NVD website
To clipboard 

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CVE-2025-20037 (GCVE-0-2025-20037)

Vulnerability from cvelistv5 – Published: 2025-08-12 16:57 – Updated: 2026-02-26 17:49
VLAI
Summary
Time-of-check time-of-use race condition in firmware for some Intel(R) Converged Security and Management Engine may allow a privileged user to potentially enable escalation of privilege via local access.
Severity
7.2 (High)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-13 15:04 UTC
CWE
  • Escalation of Privilege
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Vendor Product Version
n/a Intel(R) Converged Security and Management Engine Affected: See references
Show details on NVD website
To clipboard 

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CVE-2025-20028 (GCVE-0-2025-20028)

Vulnerability from cvelistv5 – Published: 2026-03-10 22:49 – Updated: 2026-03-12 03:55
VLAI
Summary
Time-of-check time-of-use race condition in the WheaERST SMM module for some Intel(R) reference platforms may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Severity
7.1 (High)
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-11 00:00 UTC
CWE
  • Escalation of Privilege
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-13818 (GCVE-0-2025-13818)

Vulnerability from cvelistv5 – Published: 2026-02-06 13:13 – Updated: 2026-02-06 14:25
VLAI
Title
Local privilege escalation in ESET Management Agent for Windows
Summary
Local privilege escalation vulnerability via insecure temporary batch file execution in ESET Management Agent
Severity
8.3 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 14:23 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Vendor Product Version
ESET spol s.r.o. ESET Management Agent Affected: 0 , ≤ 12.5.2104.0 (custom)
Create a notification for this product.
Date Public
2026-02-06 11:00
Show details on NVD website
To clipboard 

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CVE-2025-13032 (GCVE-0-2025-13032)

Vulnerability from cvelistv5 – Published: 2025-11-11 16:16 – Updated: 2025-11-14 19:27
VLAI
Summary
Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3  on windows allows local attacker to escalate privelages via pool overflow.
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-14 19:27 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Credits
SAFA Team
Show details on NVD website
To clipboard 

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CVE-2025-9810 (GCVE-0-2025-9810)

Vulnerability from cvelistv5 – Published: 2025-09-01 19:03 – Updated: 2026-04-22 15:06
VLAI
Title
TOCTOU race in Linenoise enables arbitrary file overwrite and permission changes
Summary
TOCTOU  in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and subsequent chmod() on the same path.
Severity
6.8 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-02 16:13 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Credits
@disconnect3d Simcha Kosman
Show details on NVD website
To clipboard 

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CVE-2025-8192 (GCVE-0-2025-8192)

Vulnerability from cvelistv5 – Published: 2025-07-31 08:24 – Updated: 2025-07-31 13:20
VLAI
Title
Race condition in AndroidTV TvSettings
Summary
There exists a TOCTOU race condition in TvSettings AppRestrictionsFragment.java that lead to start of attacker supplied activity in Settings’ context, i.e. system-uid context, thus lead to launchAnyWhere. The core idea is to utilize the time window between the check of Intent and the use to Intent to change the target component’s state, thus bypass the original security sanitize function.
Severity
6.9 (Medium)
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-31 13:20 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Vendor Product Version
Android TV Affected: 0
Create a notification for this product.
Date Public
2025-06-10 22:00
Credits
Qidan He
Show details on NVD website
To clipboard 

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CVE-2025-6217 (GCVE-0-2025-6217)

Vulnerability from cvelistv5 – Published: 2025-06-21 00:08 – Updated: 2025-06-23 20:16
VLAI
Title
PEAK-System Driver PCANFD_ADD_FILTERS Time-Of-Check Time-Of-Use Information Disclosure Vulnerability
Summary
PEAK-System Driver PCANFD_ADD_FILTERS Time-Of-Check Time-Of-Use Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information on affected installations of PEAK-System Driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of the PCANFD_ADD_FILTERS IOCTL. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-24161.
Severity
3.8 (Low)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-23 20:15 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Vendor Product Version
PEAK-System Driver Affected: 8.18.0
Create a notification for this product.
Date Public
2025-06-18 19:33
Show details on NVD website
To clipboard 

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CVE-2025-3599 (GCVE-0-2025-3599)

Vulnerability from cvelistv5 – Published: 2025-04-30 16:49 – Updated: 2025-04-30 17:27
VLAI
Title
Symantec Endpoint Protection Elevation of Privilege
Summary
Symantec Endpoint Protection Windows Agent, running an ERASER Engine prior to 119.1.7.8, may be susceptible to an Elevation of Privilege vulnerability, which may allow an attacker to delete resources that are normally protected from an application or user.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-30 17:27 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
Date Public
2025-04-30 16:48
Show details on NVD website
To clipboard 

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Mitigation
Implementation

The most basic advice for TOCTOU vulnerabilities is to not perform a check before the use. This does not resolve the underlying issue of the execution of a function on a resource whose state and identity cannot be assured, but it does help to limit the false sense of security given by the check.

Mitigation
Implementation

When the file being altered is owned by the current user and group, set the effective gid and uid to that of the current user and group when executing this statement.

Mitigation
Architecture and Design

Limit the interleaving of operations on files from multiple processes.

Mitigation
Implementation Architecture and Design

If you cannot perform operations atomically and you must share access to the resource between multiple processes or threads, then try to limit the amount of time (CPU cycles) between the check and use of the resource. This will not fix the problem, but it could make it more difficult for an attack to succeed.

Mitigation
Implementation

Recheck the resource after the use call to verify that the action was taken appropriately.

Mitigation
Architecture and Design

Ensure that some environmental locking mechanism can be used to protect resources effectively.

Mitigation
Implementation

Ensure that locking occurs before the check, as opposed to afterwards, such that the resource, as checked, is the same as it is when in use.

CAPEC-27: Leveraging Race Conditions via Symbolic Links

This attack leverages the use of symbolic links (Symlinks) in order to write to sensitive files. An attacker can create a Symlink link to a target file not otherwise accessible to them. When the privileged program tries to create a temporary file with the same name as the Symlink link, it will actually write to the target file pointed to by the attackers' Symlink link. If the attacker can insert malicious content in the temporary file they will be writing to the sensitive file by using the Symlink. The race occurs because the system checks if the temporary file exists, then creates the file. The attacker would typically create the Symlink during the interval between the check and the creation of the temporary file.

CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions

This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. A typical example is file access. The adversary can leverage a file access race condition by "running the race", meaning that they would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the adversary could replace or modify the file, causing the application to behave unexpectedly.

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