CVE-2026-53410 Zoom Clients for Windows - Race Condition

A time-of-check to time-of-use TOCTOU race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges...

CVE-2026-15449

A time-of-check to time-of-use TOCTOU flaw in the illumos data-link pseudo-driver dld affects handling of the DLDIOCGETMACPROP and DLDIOCSETMACPROP ioctls on /dev/dld. drviocpropcommon in usr/src/uts/common/io/dld/dlddrv.c copies the dldiocmacpropt ioctl header in once to read its prvalsize field...

CVE-2026-45804 Diffusers: TOCTOU Trust Remote Code Bypass

Diffusers is the a library for pretrained diffusion models. Prior to 0.38.0, Diffusers' DiffusionPipeline.frompretrained flow can bypass the trustremotecode guard because download validates modelindex.json and custom pipeline code before later loading from a cached folder that can change, allowin...

CVE-2026-57973

Time-of-check time-of-use toctou race condition in Windows Subsystem for Linux allows an authorized attacker to perform tampering locally...

CVE-2026-56648

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-2026-50658

Time-of-check time-of-use toctou race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally...

CVE-2026-4018 TOCTOU race condition in the QNX Neutrino kernel impacts versions of the QNX Software Development Platform and QNX OS for Safety

TOCTOU Race Condition in specific trace commands of the TraceEvent system call could allow an attacker with local access and with the PROCMGRAIDTRACE ability, to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel...

Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability

Time-of-check time-of-use toctou race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally...

Microsoft Windows Subsystem for Linux (WSL2) < 2.7.10 Tampering (CVE-2026-57973) (July 2026)

The version of Microsoft Windows Subsystem for Linux WSL2 on the remote Windows host is prior to 2.7.10. It is, therefore, affected by a tampering vulnerability: - Time-of-check time-of-use toctou race condition in Windows Subsystem for Linux allows an authorized attacker to perform tampering...

PYSEC-2026-2730 Open WebUI: LDAP and OAuth First-User Race Condition Allows Multiple Admin Accounts

Summary The LDAP and OAuth authentication flows use a TOCTOU Time-of-Check-Time-of-Use pattern for first-user admin role assignment. The regular signup handler signuphandler in auths.py, line 663 was explicitly patched to prevent this race with the comment "Insert with default role first to avoid...

CVE-2026-21046

The vulnerability CVE-2026-21046 concerns the fabricKeymaster trustlet. It describes a time-of-check time-of-use race condition that exists prior to the SMR Jul-2026 Release 1. Impact is local: a privileged attacker could execute arbitrary code. The provided sources specify the affected component...

OESA-2026-2969 gzip security update

gzip is a single-file/stream lossless data compression utility, where the resulting compressed file generally has the suffix .gz. Security Fixes: GNU gzip contains a vulnerability in the gzexe utility related to insecure temporary file handling. When the mktemp utility is not available in the...

Erlang/OTP 25.3 < 27.3.4.14 / 28.0 < 28.5.0.3 / 29.0 < 29.0.3 DoS (CVE-2026-55950)

The version of Erlang/OTP installed on the remote host is 25.3 prior to 27.3.4.14, 28.0 prior to 28.5.0.3, or 29.0 prior to 29.0.3. It is, therefore, affected by a vulnerability: - Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an...

PYSEC-2026-1375 filelock has a TOCTOU race condition which allows symlink attacks during lock file creation

Impact A Time-of-Check-Time-of-Use TOCTOU race condition allows local attackers to corrupt or truncate arbitrary user files through symlink attacks. The vulnerability exists in both Unix and Windows lock file creation where filelock checks if a file exists before opening it with OTRUNC. An attack...

PYSEC-2026-1602 OpenStack magnum vulnerable to time-of-check to time-of-use (TOCTOU) attack

An issue in OpenStack magnum yoga-eom version allows a remote attacker to execute arbitrary code via the certmanager.py. component...

EUVD-2026-24994

install -D: symlink race in directory creation allows arbitrary file overwrite...

Linux Distros Unpatched Vulnerability : CVE-2026-55950

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an unauthenticated remote attacker to crash all...

CVE-2026-55950 DTLS listener crash via race condition in dtls_packet_demux causes denial of service for all sessions

Time-of-check Time-of-use TOCTOU race condition vulnerability in Erlang/OTP ssl dtlspacketdemux module allows an unauthenticated remote attacker to crash all active DTLS sessions on a listener. A DTLS server listener uses a single shared dtlspacketdemux genserver process to route incoming UDP...

CVE-2026-12374

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 via a self-signed certificate that bypasses the XPC caller...

CVE-2026-10546 DNS Rebinding TOCTOU Bypass of SSRF Protection in Langflow OSS URL Component

IBM Langflow OSS 1.0.0 through 1.9.3 contains a Server-Side Request Forgery SSRF vulnerability in the URL component src/lfx/src/lfx/components/datasource/url.py due to a Time-of-Check/Time-of-Use TOCTOU race condition that can be exploited via DNS rebinding...