CWE-367— Time-of-check Time-of-use (TOCTOU) Race Condition
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.— MITRE CWE catalog
958 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-367page 7 of 20
- CVE-2026-22181HIGHCVSS 7.6EG 7.62026-03-18
OpenClaw versions prior to 2026.3.2 contain a DNS pinning bypass vulnerability in strict URL fetch paths that allows attackers to circumvent SSRF guards when environment proxy variables are configured. When HTTP_PROXY, HTTPS_PROXY, or ALL_…
- CVE-2025-68404HIGHCVSS 7.5EG 7.52026-10-15
A time-of-check time-of-use (toctou) race condition vulnerability has been reported to affect QuRouter. If exploited, the vulnerability could allow remote attackers to compromise the security of the system. We have already fixed the vulne…
- CVE-2026-77242HIGHCVSS 7.5EG 7.52026-09-22
MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, validate_url_for_ssrf checks a hostname's resolved addresses, but Requests and urllib3 resolve the hostname again when co…
- CVE-2026-69804HIGHCVSS 7.5EG 7.52026-09-08
Time-of-check time-of-use (toctou) race condition in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- CVE-2026-85045HIGHCVSS 7.5EG 7.52026-09-03
Race condition in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-19118HIGHCVSS 7.5EG 7.52026-09-01
A time-of-check time-of-use race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution. Exploitation required an authenticated user with write access to a repository and precise timing of con…
- CVE-2026-76020HIGHCVSS 7.5EG 7.52026-08-20
Race condition in V8 in Google Chrome prior to 151.0.7922.173 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-55524HIGHCVSS 7.5EG 7.52026-08-05
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 de…
- CVE-2026-55391HIGHCVSS 7.5EG 7.52026-07-28
datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. Prior to 0.63.0, datamodel-code-generator validates a URL hos…
- CVE-2026-65598HIGHCVSS 7.5EG 7.52026-07-22
n8n before 1.123.64, 2.29.8, and 2.30.1 contains a TOCTOU race condition in the Git node's clone operation that allows authenticated users to bypass path restrictions by swapping a directory for a symlink after the path is validated but be…
- CVE-2026-56648HIGHCVSS 7.5EG 7.52026-07-14
Time-of-check time-of-use (toctou) race condition in Windows Network File System allows an authorized attacker to elevate privileges over a network.
- CVE-2026-58299HIGHCVSS 7.5EG 7.52026-07-03
Time-of-check time-of-use (toctou) race condition in Microsoft Edge for Android allows an unauthorized attacker to execute code over a network.
- CVE-2026-45804HIGHCVSS 7.5EG 7.52026-05-20
Diffusers is the a library for pretrained diffusion models. Prior to 0.38.0, Diffusers' DiffusionPipeline.from_pretrained flow can bypass the trust_remote_code guard because download() validates model_index.json and custom pipeline code be…
- CVE-2026-30332HIGHCVSS 7.5EG 7.52026-04-02
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 d…
- CVE-2026-32988HIGHCVSS 7.5EG 7.52026-03-31
OpenClaw before 2026.3.11 contains a sandbox boundary bypass vulnerability in fs-bridge staged writes where temporary file creation and population are not pinned to a verified parent directory. Attackers can exploit a race condition in par…
- CVE-2026-25728HIGHCVSS 7.5EG 7.52026-02-10
ClipBucket v5 is an open source video sharing platform. Prior to 5.5.3 - #40, a Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerability exists in ClipBucket's avatar and background image upload functionality. The application mov…
- CVE-2025-62004HIGHCVSS 7.5EG 7.52025-12-18
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 enfo…
- CVE-2025-62003HIGHCVSS 7.5EG 7.52025-12-18
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…
- CVE-2025-20082HIGHCVSS 7.5EG 7.52025-05-13
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-2025-29969HIGHCVSS 7.5EG 7.52025-05-13
Time-of-check time-of-use (toctou) race condition in Windows Fundamentals allows an authorized attacker to execute code over a network.
- CVE-2024-42446HIGHCVSS 7.5EG 7.52025-05-13
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-2025-32784HIGHCVSS 7.5EG 7.52025-04-15
conda-forge-webservices is the web app deployed to run conda-forge admin commands and linting. In versions prior to 2025.4.10, a race condition vulnerability has been identified in the conda-forge-webservices component used within the shar…
- CVE-2024-54084HIGHCVSS 7.5EG 7.52025-03-11
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-2024-41917HIGHCVSS 7.5EG 7.52025-02-12
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-2024-42444HIGHCVSS 7.5EG 7.52025-01-14
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-2024-43452HIGHCVSS 7.5EG 7.52024-11-12
Windows Registry Elevation of Privilege Vulnerability
- CVE-2024-5803HIGHCVSS 7.5EG 7.52024-10-03
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-2023-20578HIGHCVSS 7.5EG 7.52024-08-13
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-2024-39894HIGHCVSS 7.5EG 7.52024-07-02
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 occu…
- CVE-2023-27327HIGHCVSS 7.5EG 7.52024-05-03
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 t…
- CVE-2022-33270HIGHCVSS 7.5EG 7.52023-04-13
Transient DOS due to time-of-check time-of-use race condition in Modem while processing RRC Reconfiguration message.
- CVE-2022-34398HIGHCVSS 7.5EG 7.52023-02-01
Dell BIOS contains a Time-of-check Time-of-use vulnerability. A local authenticated malicious user could\u00a0potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI to gain arbitrary code execut…
- CVE-2022-26387HIGHCVSS 7.5EG 7.52022-12-22
When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability a…
- CVE-2022-34830HIGHCVSS 7.5EG 7.52022-11-23
An Arm product family through 2022-06-29 has a TOCTOU Race Condition that allows non-privileged user to make improper GPU processing operations to gain access to already freed memory.
- CVE-2022-30283HIGHCVSS 7.5EG 7.52022-11-15
In UsbCoreDxe, tampering with the contents of the USB working buffer using DMA while certain USB transactions are in process leads to a TOCTOU problem that could be used by an attacker to cause SMRAM corruption and escalation of privileges…
- CVE-2021-35111HIGHCVSS 7.5EG 7.52022-06-14
Improper validation of tag id while RRC sending tag id to MAC can lead to TOCTOU race condition in Snapdragon Connectivity, Snapdragon Mobile
- CVE-2022-0280HIGHCVSS 7.5EG 7.52022-03-10
A race condition vulnerability exists in the QuickClean feature of McAfee Total Protection for Windows prior to 16.0.43 that allows a local user to gain privilege elevation and perform an arbitrary file delete. This could lead to sensitive…
- CVE-2021-22043HIGHCVSS 7.5EG 7.52022-02-16
VMware ESXi contains a TOCTOU (Time-of-check Time-of-use) vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrar…
- CVE-2021-34413HIGHCVSS 7.5EG 7.52021-09-27
All versions of the Zoom Plugin for Microsoft Outlook for MacOS before 5.3.52553.0918 contain a Time-of-check Time-of-use (TOC/TOU) vulnerability during the plugin installation process. This could allow a standard user to write their own m…
- CVE-2021-20181HIGHCVSS 7.5EG 7.52021-05-13
A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system. The highest…
- CVE-2021-31422HIGHCVSS 7.5EG 7.52021-04-29
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.1-49141. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to …
- CVE-2020-14677HIGHCVSS 7.5EG 7.52020-07-15
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 5.2.44, prior to 6.0.24 and prior to 6.1.12. Difficult to exploit vulnerability allows high pri…
- CVE-2020-14675HIGHCVSS 7.5EG 7.52020-07-15
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 5.2.44, prior to 6.0.24 and prior to 6.1.12. Difficult to exploit vulnerability allows high pri…
- CVE-2020-14674HIGHCVSS 7.5EG 7.52020-07-15
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 5.2.44, prior to 6.0.24 and prior to 6.1.12. Difficult to exploit vulnerability allows high pri…
- CVE-2020-8867HIGHCVSS 7.5EG 7.52020-04-22
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard 1.04.358.30. Authentication is not required to exploit this vulnerability. The specific flaw ex…
- CVE-2019-7347HIGHCVSS 7.5EG 7.52019-02-04
A Time-of-check Time-of-use (TOCTOU) Race Condition exists in ZoneMinder through 1.32.3 as a session remains active for an authenticated user even after deletion from the users table. This allows a nonexistent user to access and modify rec…
- CVE-2026-5947HIGHCVSS 5.9EG 7.52026-05-20
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 "recursi…
- CVE-2026-67693HIGHCVSS 3.7EG 7.52026-10-08
GnuTLS v3.8.13 does not reject end-entity X.509 certificates that contain a contradictory combination of Key Usage (KU) and Extended Key Usage (EKU). NOTE: the Supplier does not consider this an actionable security vulnerability because of…
- CVE-2026-72584HIGHCVSS 7.4EG 7.42026-08-10
A time-of-check/time-of-use (TOCTOU) race condition in fastschema through v0.15.1 allows an unauthenticated remote attacker to bypass the OTP attempt limit on the account recovery flow, enabling brute-force attacks on 6-digit OTP codes.
- CVE-2026-56822HIGHCVSS 7.4EG 7.42026-07-22
Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator forwards the SslHandshakeCompletionEvent before the asynchronous OCSP validation com…
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