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
832 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-367page 12 of 17
- CVE-2026-20445MEDIUMCVSS 4.4EG 4.42026-03-02
In MDDP, there is a possible system crash due to a race condition. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10…
- CVE-2026-20454MEDIUMCVSS 6.4EG 6.42026-06-01
In geniezone, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation…
- CVE-2026-20474MEDIUMCVSS 6.0EG 6.02026-08-03
In display, there is a possible escalation of privilege due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitati…
- CVE-2026-20492MEDIUMCVSS 5.5EG 5.52026-08-03
In Audio HAL, there is a possible system becoming unresponsive due to a race condition. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS109600…
- CVE-2026-20677CRITICALCVSS 9.0EG 9.02026-02-11
A race condition was addressed with improved handling of symbolic links. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A shortcut …
- CVE-2026-20796LOWCVSS 3.1EG 3.12026-02-13
Mattermost versions 10.11.x <= 10.11.9 fail to properly validate channel membership at the time of data retrieval which allows a deactivated user to learn team names they should not have access to via a race condition in the /common_teams …
- CVE-2026-20809HIGHCVSS 7.8EG 7.82026-01-13
Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally.
- CVE-2026-20816HIGHCVSS 7.0EG 7.82026-01-13
Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-20831HIGHCVSS 7.0EG 7.82026-01-13
Time-of-check time-of-use (toctou) race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2026-20908MEDIUMCVSS 5.8EG 5.82026-08-11
Time-of-check time-of-use race condition for the Intel(R) NPU Driver for Windows for all versions within Ring 1: Device Drivers may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a high …
- CVE-2026-21240HIGHCVSS 7.0EG 7.82026-02-10
Time-of-check time-of-use (toctou) race condition in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-21523HIGHCVSS 8.0EG 8.02026-02-10
Time-of-check time-of-use (toctou) race condition in GitHub Copilot and Visual Studio allows an authorized attacker to execute code over a network.
- CVE-2026-21725LOWCVSS 2.6EG 2.62026-02-25
A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so. This requires several very stringent conditions to be met: - The attacker must have admin…
- CVE-2026-21912MEDIUMCVSS 4.7EG 5.52026-01-15
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 fi…
- CVE-2026-22281MEDIUMCVSS 4.8EG 4.82026-01-22
Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains a Time-of-check Time-of-use (TOCTOU) race condit…
- CVE-2026-22701MEDIUMCVSS 5.3EG 5.32026-01-10
filelock is a platform-independent file lock for Python. Prior to version 3.20.3, a TOCTOU race condition vulnerability exists in the SoftFileLock implementation of the filelock package. An attacker with local filesystem access and permiss…
- CVE-2026-22751MEDIUMCVSS 4.8EG 4.82026-04-21
Vulnerability in Spring Spring Security. Applications that explicitly configure One-Time Token login with JdbcOneTimeTokenService are vulnerable to a Time-of-check Time-of-use (TOCTOU) race condition. This issue affects Spring Security:…
- CVE-2026-22820LOWCVSS 3.7EG 3.72026-01-14
Outray openSource ngrok alternative. Prior to 0.1.5, a TOCTOU race condition vulnerability allows a user to exceed the set number of active tunnels in their subscription plan. This vulnerability is fixed in 0.1.5.
- CVE-2026-23212MEDIUMCVSS 4.7EG 4.72026-02-18
In the Linux kernel, the following vulnerability has been resolved: bonding: annotate data-races around slave->last_rx slave->last_rx and slave->target_last_arp_rx[...] can be read and written locklessly. Add READ_ONCE() and WRITE_ONCE()…
- CVE-2026-23554HIGHCVSS 7.8EG 7.82026-03-23
The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a single flush. Freeing of paging structur…
- CVE-2026-2364HIGHCVSS 7.3EG 7.32026-03-10
If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.
- CVE-2026-23786LOWCVSS 2.8EG 2.82026-09-14
An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. A TOCTOU race condition in the Exynos DRM HDR Driver leads to a heap overflow, causing a kernel crash.
- CVE-2026-23950MEDIUMCVSS 5.9EG 5.92026-01-20
node-tar,a Tar for Node.js, has a race condition vulnerability in versions up to and including 7.5.3. This is due to an incomplete handling of Unicode path collisions in the `path-reservations` system. On case-insensitive or normalization-…
- CVE-2026-23988HIGHCVSS 7.0EG 7.02026-01-22
Rufus is a utility that helps format and create bootable USB flash drives. Versions 4.11 and below contain a race condition (TOCTOU) in src/net.c during the creation, validation, and execution of the Fido PowerShell script. Since Rufus run…
- CVE-2026-24065HIGHCVSS 8.1EG 8.12026-06-09
Waves Central for macOS versions 13.0.9 through 16.5.5 contain a local privilege escalation vulnerability in the privileged helper service. The helper validates connecting XPC clients using the client process identifier (PID) to verify cod…
- CVE-2026-24067HIGHCVSS 8.4EG 8.42026-06-10
Slate Digital Connect 1.37.0 for macOS installs a privileged helper tool, com.slatedigital.connect.privileged.helper.tool, which exposes the XPC service com.slatedigital.connect.privileged.helper.tool2. The helper validates connecting XPC …
- CVE-2026-24071CRITICALCVSS 7.8EG 9.32026-02-02
It was found that the XPC service offered by the privileged helper of Native Access uses the PID of the connecting client to verify its code signature. This is considered insecure and can be exploited by PID reuse attacks. The connection…
- CVE-2026-24191HIGHCVSS 7.8EG 7.82026-05-26
NVIDIA Display Driver for Windows contains a vulnerability where an attacker could cause a time-of-check time-of-use issue. A successful exploit of this vulnerability might lead to denial of service, escalation of privileges, information d…
- CVE-2026-24260HIGHCVSS 8.5EG 8.52026-07-01
NVIDIA Container Toolkit for Linux contains a vulnerability where an attacker could cause a time-of-check time-of-use race condition. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, and da…
- CVE-2026-25052CRITICALCVSS 9.9EG 9.92026-02-04
n8n is an open source workflow automation platform. Prior to versions 1.123.18 and 2.5.0, a vulnerability in the file access controls allows authenticated users with permission to create or modify workflows to read sensitive files from the…
- CVE-2026-25260HIGHCVSS 7.0EG 7.82026-06-01
Memory Corruption when accessing shared buffers without validation of concurrent user-mode input modifications.
- CVE-2026-25271HIGHCVSS 7.0EG 7.82026-07-06
Memory Corruption when processing asynchronous input parameters due to improper handling of modified values between check and use.
- CVE-2026-25278HIGHCVSS 7.8EG 7.82026-09-17
Memory Corruption when processing I2C transfer requests due to a race condition between memory allocation and data copying.
- CVE-2026-25536HIGHCVSS 7.1EG 7.12026-02-04
MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. From version 1.10.0 to 1.25.3, cross-client response data leak when a single McpServer/Server and transport instance is reused across multipl…
- CVE-2026-25641CRITICALCVSS 9.0EG 9.02026-02-06
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, there is a sandbox escape vulnerability due to a mismatch between the key on which the validation is performed and the key used for accessing properties. Even though the key us…
- CVE-2026-25704MEDIUMCVSS 5.8EG 5.82026-03-30
A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy checking logic. …
- 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-2026-25738MEDIUMCVSS 4.3EG 4.32026-02-19
Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Versions prior to 3.3.10 are vulnerable to server-side request forgery. Indico makes outgoing requests to user-provides URLs i…
- CVE-2026-26017MEDIUMCVSS 6.3EG 6.32026-03-06
CoreDNS is a DNS server that chains plugins. Prior to version 1.14.2, a logical vulnerability in CoreDNS allows DNS access controls to be bypassed due to the default execution order of plugins. Security plugins such as acl are evaluated be…
- CVE-2026-26206MEDIUMCVSS 6.5EG 6.52026-04-29
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 se…
- CVE-2026-26224HIGHCVSS 8.5EG 8.52026-02-12
Intego Log Reporter, a macOS diagnostic utility bundled with Intego security products that collects system and application logs for support analysis, contains a local privilege escalation vulnerability. A root-executed diagnostic script cr…
- CVE-2026-2638HIGHCVSS 7.3EG 7.32026-06-09
A vulnerability in the quarantine and restore workflow of the X-VPN macOS website versions 77.0 through 77.5 allow a local attacker to leverage a race condition and symlink manipulation to achieve privileged file corruption.
- CVE-2026-27127MEDIUMCVSS 6.3EG 6.32026-02-24
Craft is a content management system (CMS). In versions 4.5.0-RC1 through 4.16.18 and 5.0.0-RC1 through 5.8.22, the SSRF validation in Craft CMS’s GraphQL Asset mutation performs DNS resolution separately from the HTTP request. This Time…
- CVE-2026-27128MEDIUMCVSS 4.8EG 4.82026-02-24
Craft is a content management system (CMS). In versions 4.5.0-RC1 through 4.16.18 and 5.0.0-RC1 through 5.8.22, a Time-of-Check-Time-of-Use (TOCTOU) race condition exists in Craft CMS’s token validation service for tokens that explicitly…
- CVE-2026-27189MEDIUMCVSS 5.8EG 5.82026-02-21
OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Versions 1.1.2-alpha and below, use non-atomic and insufficiently synchronized local JSON persistence flows, potentially causing concur…
- CVE-2026-27456MEDIUMCVSS 4.7EG 4.72026-04-03
util-linux is a random collection of Linux utilities. Prior to version 2.41.4, a TOCTOU (Time-of-Check-Time-of-Use) vulnerability has been identified in the SUID binary /usr/bin/mount from util-linux. The mount binary, when setting up loop…
- CVE-2026-27545MEDIUMCVSS 6.1EG 6.12026-03-18
OpenClaw versions prior to 2026.2.26 contain an approval bypass vulnerability in system.run execution that allows attackers to execute commands from unintended filesystem locations by rebinding writable parent symlinks in the current worki…
- CVE-2026-27670MEDIUMCVSS 5.3EG 5.32026-03-19
OpenClaw versions prior to 2026.3.2 contain a race condition vulnerability in ZIP extraction that allows local attackers to write files outside the intended destination directory. Attackers can exploit a time-of-check-time-of-use race betw…
- CVE-2026-27750HIGHCVSS 7.0EG 7.82026-03-05
Avira Internet Security contains a time-of-check time-of-use (TOCTOU) vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them dur…
- CVE-2026-27929HIGHCVSS 7.0EG 7.02026-04-14
Time-of-check time-of-use (toctou) race condition in Windows LUAFV allows an authorized attacker to elevate privileges locally.
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