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
1,006 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-367page 13 of 21
- CVE-2026-113038MEDIUMCVSS 6.5EG 6.52026-10-20
Race condition in DevTools in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-113329MEDIUMCVSS 6.5EG 6.52026-10-20
Race condition in Installer in Google Chrome on on Mac prior to 156.0.8078.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Medium)
- CVE-2026-113196MEDIUMCVSS 6.5EG 6.52026-10-20
Race condition in Mobile in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-113333MEDIUMCVSS 6.5EG 6.52026-10-20
Race condition in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)
- CVE-2026-70122MEDIUMCVSS 6.5EG 6.52026-10-13
Time-of-check time-of-use (toctou) race condition in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-108698MEDIUMCVSS 6.5EG 6.52026-10-11
hyper-mcp through 0.8.3 contains a signature verification bypass vulnerability in load_wasm in src/wasm/oci.rs that verifies the Cosign signature of a separately resolved tag rather than the loaded manifest. Attackers controlling registry …
- CVE-2026-79017MEDIUMCVSS 6.5EG 6.52026-08-25
Race condition in Extensions in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Low)
- CVE-2026-47621MEDIUMCVSS 6.5EG 6.52026-08-04
NVIDIA Dynamo for Linux contains a vulnerability where an attacker could cause a race condition in the LoRA manager singleton initialization. A successful exploit of this vulnerability might lead to denial of service and data tampering.
- CVE-2026-54777MEDIUMCVSS 6.5EG 6.52026-06-19
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…
- CVE-2026-9796MEDIUMCVSS 6.5EG 6.52026-05-28
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 p…
- CVE-2026-45619MEDIUMCVSS 6.5EG 6.52026-05-15
WWBN AVideo is an open source video platform. In 29.0 and earlier, EpgParser.php, plugin/AI/receiveAsync.json.php, and other locations do not use the $resolvedIP out-param of isSSRFSafeURL() for DNS pinning via CURLOPT_RESOLVE, opening DNS…
- 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-2026-3590MEDIUMCVSS 6.5EG 6.52026-04-15
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…
- CVE-2026-32043MEDIUMCVSS 6.5EG 6.52026-03-21
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 sy…
- CVE-2025-3599MEDIUMCVSS 6.5EG 6.52025-04-30
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 app…
- CVE-2024-51563MEDIUMCVSS 6.5EG 6.52024-11-12
The virtio_vq_recordon function is subject to a time-of-check to time-of-use (TOCTOU) race condition.
- CVE-2024-7531MEDIUMCVSS 6.5EG 6.52024-08-06
Calling `PK11_Encrypt()` in NSS using CKM_CHACHA20 and the same buffer for input and output can result in plaintext on an Intel Sandy Bridge processor. In Firefox this only affects the QUIC header protection feature when the connection is …
- CVE-2024-2913MEDIUMCVSS 6.5EG 6.52024-05-07
A race condition vulnerability exists in the mintplex-labs/anything-llm repository, specifically within the user invite acceptance process. Attackers can exploit this vulnerability by sending multiple concurrent requests to accept a single…
- CVE-2023-1586MEDIUMCVSS 6.5EG 6.52023-04-19
Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the restore process leading to arbitrary file creation. The issue was fixed with Avast and AVG Antivirus version 22.11
- CVE-2023-1585MEDIUMCVSS 6.5EG 6.52023-04-19
Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the Quarantine process, leading to arbitrary file/directory deletion. The issue was fixed with Avast and AVG Antivirus version 2…
- CVE-2021-0289MEDIUMCVSS 6.5EG 6.52021-07-15
When user-defined ARP Policer is configured and applied on one or more Aggregated Ethernet (AE) interface units, a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability between the Device Control Daemon (DCD) and firewall process…
- CVE-2026-87523MEDIUMCVSS 5.3EG 6.52026-09-09
Race condition in DataTransfer in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-66314MEDIUMCVSS 5.3EG 6.52026-08-03
Time-of-check time-of-use (toctou) race condition in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
- CVE-2026-13113MEDIUMCVSS 5.3EG 6.52026-07-29
GitLab has remediated an issue in GitLab EE affecting all versions from 17.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to merge code into a protected br…
- CVE-2025-69233MEDIUMCVSS 5.3EG 6.52026-05-08
Due to multiple time-of-check time-of-use race conditions in the resource count check and increment logic, as well as missing validations, users of the platform are able to exceed the allocation limits configured for their accounts/domains…
- CVE-2026-126410MEDIUMCVSS 6.4EG 6.42026-11-13
Wasmtime's wasmtime-wasi crate 48.0.0 before 48.0.8, 49.0.0 before 49.0.5, and 50.0.0 before 50.0.1 contains a time-of-check/time-of-use race in the wasip3 wasi:sockets udp-socket host implementation that lets guests bypass socket_addr_che…
- CVE-2026-93683MEDIUMCVSS 6.4EG 6.42026-10-14
A flaw was found in the DPDK vhost library. When handling a virtio indirect descriptor table, the host reads the table length more than once from guest memory and can allocate a host copy before validating that length. A guest that changes…
- CVE-2024-11222MEDIUMCVSS 6.4EG 6.42026-09-16
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed a developer user to perform actions in the context o…
- CVE-2026-9728MEDIUMCVSS 6.4EG 6.42026-08-24
The userspace syscall verifier z_vrfy_mbox_send() in drivers/mbox/mbox_handlers.c validated the nested msg->data/msg->size fields by reading them directly out of live userspace memory, and then forwarded the original, still-mutable userspa…
- CVE-2026-4018MEDIUMCVSS 6.4EG 6.42026-07-14
TOCTOU Race Condition in specific trace commands of the TraceEvent() system call could allow an attacker with local access and with the PROCMGR_AID_TRACE ability, to cause information disclosure, data tampering or a crash of the QNX Neutri…
- CVE-2026-12374MEDIUMCVSS 6.4EG 6.42026-07-01
Improper certificate validation and a time-of-check time-of-use (TOCTOU) race condition in the PrivilegedHelperTool XPC service in Cato Client before v.5.13.1 on macOS allows a local authenticated attacker to escalate privileges to root vi…
- CVE-2025-59610MEDIUMCVSS 6.4EG 6.42026-06-01
Memory Corruption when processing IOCTL requests with mismatched API versions due to concurrent modification of user-space buffer.
- 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-2026-20438MEDIUMCVSS 6.4EG 6.42026-03-02
In MAE, 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. Patc…
- CVE-2024-5558MEDIUMCVSS 6.4EG 6.42024-06-12
CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability exists that could cause escalation of privileges when an attacker abuses a limited admin account.
- CVE-2023-28576MEDIUMCVSS 6.4EG 6.42023-08-08
The buffer obtained from kernel APIs such as cam_mem_get_cpu_buf() may be readable/writable in userspace after kernel accesses it. In other words, user mode may race and modify the packet header (e.g. header.count), causing checks (e.g. si…
- CVE-2023-20788MEDIUMCVSS 6.4EG 6.42023-08-07
In thermal, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07648734; Issu…
- CVE-2023-20787MEDIUMCVSS 6.4EG 6.42023-08-07
In thermal, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07648734; Issu…
- CVE-2023-20785MEDIUMCVSS 6.4EG 6.42023-08-07
In audio, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07628…
- CVE-2022-4143MEDIUMCVSS 6.4EG 6.42023-06-28
An issue has been discovered in GitLab affecting all versions starting from 15.7 before 15.8.5, from 15.9 before 15.9.4, and from 15.10 before 15.10.1 that allows for crafted, unapproved MRs to be introduced and merged without authorization
- CVE-2022-3093MEDIUMCVSS 6.4EG 6.42023-03-29
This vulnerability allows physical attackers to execute arbitrary code on affected Tesla vehicles. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ice_updater update mechanism. The issue re…
- CVE-2023-20623MEDIUMCVSS 6.4EG 6.42023-03-07
In ion, there is a possible escalation of privilege due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07…
- CVE-2022-32638MEDIUMCVSS 6.4EG 6.42023-01-03
In isp, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07494449; Iss…
- CVE-2022-33986MEDIUMCVSS 6.4EG 6.42022-11-15
DMA attacks on the parameter buffer used by the VariableRuntimeDxe software SMI handler could lead to a TOCTOU attack. DMA attacks on the parameter buffer used by the software SMI handler used by the driver VariableRuntimeDxe could lead to…
- CVE-2022-33906MEDIUMCVSS 6.4EG 6.42022-11-15
DMA transactions which are targeted at input buffers used for the FwBlockServiceSmm software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI h…
- CVE-2022-32267MEDIUMCVSS 6.4EG 6.42022-11-15
DMA transactions which are targeted at input buffers used for the SmmResourceCheckDxe software SMI handler cause SMRAM corruption (a TOCTOU attack) DMA transactions which are targeted at input buffers used for the software SMI handler used…
- CVE-2022-31243MEDIUMCVSS 6.4EG 6.42022-11-15
Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver could cause SMRAM corruption through a TOCTOU attack.. "DMA transactions which are…
- CVE-2022-30774MEDIUMCVSS 6.4EG 6.42022-11-15
DMA attacks on the parameter buffer used by the PnpSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack) DMA attacks on the parameter buffer used by the PnpSmm driver could…
- CVE-2022-33982MEDIUMCVSS 6.4EG 6.42022-11-14
DMA attacks on the parameter buffer used by the Int15ServiceSmm software SMI handler could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. DMA attacks on the parameter buffer used by the software SMI handler use…
- CVE-2022-33907MEDIUMCVSS 6.4EG 6.42022-11-14
DMA transactions which are targeted at input buffers used for the software SMI handler used by the IdeBusDxe driver could cause SMRAM corruption through a TOCTOU attack... DMA transactions which are targeted at input buffers used for the s…
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