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Search Results (358534 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-10681 1 Zephyrproject 1 Zephyr 2026-08-12 6.5 Medium
In Zephyr's userspace dynamic-objects subsystem, thread_idx_alloc() in kernel/userspace/userspace.c allocated a new thread permission index from the global _thread_idx_map[] bitmap without holding lists_lock. On SMP systems, two user-mode threads invoking the k_object_alloc(K_OBJ_THREAD) syscall concurrently can both observe the same low free bit, perform the same non-atomic RMW to clear it, and return the identical tidx. The two newly created K_OBJ_THREAD objects are then assigned the same thread_id, so the two user threads alias a single bit position in every kernel object's perms[] bitfield: any subsequent grant of access on a kernel object to one thread is implicitly a grant to the other, defeating userspace ACL isolation. A secondary lost-update window between the unlocked &=~BIT() in alloc and the locked |= BIT() in thread_idx_free() can also leak entries from the thread-index pool. The defect is reachable from any user-mode thread via the unrestricted __syscall k_object_alloc and is gated on CONFIG_USERSPACE, CONFIG_DYNAMIC_OBJECTS, and CONFIG_SMP. The flaw was introduced when the per-thread permission index was added in 2018 and is present in every release up to and including v4.4.0. Fixed by holding lists_lock across the bitmap RMW and the permissions clear (and inlining the obj_list traversal that previously took the lock itself).
CVE-2026-70339 1 Microsoft 1 Edge Chromium 2026-08-12 5.4 Medium
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-70330 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-08-12 6.7 Medium
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
CVE-2026-68819 1 Microsoft 8 Windows 10 1607, Windows 10 1809, Windows Server 2012 and 5 more 2026-08-12 5.9 Medium
Buffer over-read in Windows Network File System allows an unauthorized attacker to deny service over a network.
CVE-2026-65785 1 Microsoft 4 Windows 11 24h2, Windows 11 25h2, Windows 11 26h1 and 1 more 2026-08-12 6.5 Medium
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
CVE-2026-63517 1 Microsoft 8 365 Apps, Office 2016, Office 2019 and 5 more 2026-08-12 5.5 Medium
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-62914 1 Microsoft 3 Exchange Server 2016, Exchange Server 2019, Exchange Server Se 2026-08-12 7.3 High
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
CVE-2026-62902 1 Microsoft 3 .net, Visual Studio 2022, Visual Studio 2026 2026-08-12 6.5 Medium
Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network.
CVE-2026-62899 1 Microsoft 3 .net, Visual Studio 2022, Visual Studio 2026 2026-08-12 5.9 Medium
Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-62750 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-08-12 6.5 Medium
Partial string comparison in Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent network.
CVE-2026-62707 1 Microsoft 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more 2026-08-12 7.8 High
Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
CVE-2026-73213 1 Coturn 1 Coturn 2026-08-12 N/A
Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.16.0, addr_less_eq() in src/client/ns_turn_ioaddr.c uses a component-wise comparison for native IPv6 min-max intervals in ioa_addr_in_range(), allowing an authenticated TURN client to relay to an IPv6 peer that is numerically within a configured non-prefix-aligned denied-peer-ip range but is classified as outside it. This issue is fixed in version 4.16.0.
CVE-2026-66149 1 Sonicwall 1 Email Security 2026-08-12 7.8 High
Improper Control of Generation of Code ('Code Injection') Vulnerability in the SonicWall Email Security appliance allows an authenticated attacker with access to the SonicWall Email Security restricted CLI can inject arbitrary OS commands that execute as root via netmask.
CVE-2026-66150 1 Sonicwall 1 Email Security 2026-08-12 7.8 High
Improper Control of Generation of Code ('Code Injection') Vulnerability in the SonicWall Email Security appliance allows an authenticated attacker with access to the SonicWall Email Security restricted CLI can inject arbitrary OS commands that execute as root via SNMP.
CVE-2026-73034 1 Eosphoros-ai 1 Db-gpt 2026-08-12 9.8 Critical
DB-GPT v0.8.1 contains an unauthenticated path traversal vulnerability that allows remote attackers to write arbitrary files to any location on the server by injecting directory traversal sequences into the user_id HTTP header of the Python file-upload endpoint. Attackers can send a crafted multipart upload request with a traversal-poisoned user_id header to escape the intended upload directory and write attacker-controlled content to locations such as Python startup hooks, cron directories, or agent scripts, resulting in remote code execution.
CVE-2026-10682 1 Zephyrproject 1 Zephyr 2026-08-12 6.6 Medium
The userspace verifier z_vrfy_log_filter_set() for the log_filter_set syscall in subsys/logging/log_mgmt.c performed a signed comparison against the int16_t src_id parameter: src_id < (int16_t)log_src_cnt_get(domain_id). Any negative value for src_id (e.g. -1) trivially satisfied this check and was forwarded into z_impl_log_filter_set, where it propagated to filter_set() and ultimately to get_dynamic_filter(), which uses source_id as an unsigned index into the linker-section array &TYPE_SECTION_START(log_dynamic)[source_id].filters. After implicit conversion through uint32_t, an int16_t -1 becomes 0xFFFFFFFF, indexing log_dynamic far out of bounds and causing the kernel to perform an OOB read and an OOB read-modify-write (LOG_FILTER_SLOT_GET/SET) against memory adjacent to the log_dynamic section. The written value is a constrained 3-bit log level slot within the targeted 32-bit word, but the target address is attacker-chosen (a small negative offset from log_dynamic) and the write occurs in supervisor mode following a syscall from an unprivileged user thread, providing a kernel memory-corruption / privilege-escalation primitive. The defect is reachable on any build with CONFIG_USERSPACE=y and CONFIG_LOG_RUNTIME_FILTERING=y. Present from Zephyr v3.3.0 through v4.4.1. The fix replaces the signed bound check with an unsigned comparison: (uint32_t)src_id < log_src_cnt_get(domain_id), which correctly rejects negative inputs.
CVE-2026-10683 1 Zephyrproject 1 Zephyr 2026-08-12 2.4 Low
In the Synopsys DesignWare I2C driver (drivers/i2c/i2c_dw.c) operating in target/slave mode, the rx_full interrupt handler gates the write_requested() callback on dw->state != CMD_SEND, and dw->state is only reset to READY on a STOP interrupt. The START_DET interrupt, whose handler in i2c_dw_slave_read_clear_intr_bits() would reset the state on every (re)START, was never added to the enabled interrupt mask in i2c_dw_slave_register(), so that recovery path was dead code. As a result, if the STOP interrupt is lost (bus glitch/reset, or a concurrent master driving STOP) or the bus master issues a legal WRITE-repeated-START-WRITE sequence with the same direction, the driver remains in CMD_SEND permanently and never invokes write_requested() again for the life of the target. An I2C master on the same physical bus can deliberately trigger this, causing the I2C target function to malfunction for all subsequent write transactions and desynchronizing consumer framing state (e.g. MCTP-over-I2C), a recoverable-by-reset denial of service of the target peripheral. The fix unmasks START_DET so the state is reset at every bus (re)START. Impact is availability-only over a local board-level bus; no memory corruption results in the in-tree consumer, whose per-byte buffer write is independently bounds-checked.
CVE-2026-70346 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more 2026-08-12 7.8 High
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-70340 1 Microsoft 1 Azure Cyclecloud 2026-08-12 8.1 High
Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
CVE-2026-70323 1 Microsoft 7 365 Apps, Office 2019, Office 2021 and 4 more 2026-08-12 5.5 Medium
Improper input validation in Microsoft Office allows an unauthorized attacker to disclose information locally.