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| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-64298 | 1 Linux | 1 Linux Kernel | 2026-08-12 | 7.1 High |
| In the Linux kernel, the following vulnerability has been resolved: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC POSIX requires write permission to truncate a file, so an open() that specifies O_TRUNC must be authorized for write access regardless of the O_ACCMODE access mode. nfs_open_permission_mask() builds the access mask passed to nfs_may_open(), which is the local authorization gate for OPENs the client serves itself from a cached write delegation via the can_open_delegated() path in nfs4_try_open_cached(). The mask is derived from O_ACCMODE alone, so an open(O_RDONLY | O_TRUNC) against a file the caller cannot write requests only MAY_READ and passes the local check. The OPEN is then satisfied locally and the truncation is issued to the server as a SETATTR(size=0) over the delegation stateid, which the server accepts under standard write-delegation semantics. POSIX requires that this open fail with EACCES. Include MAY_WRITE in the mask whenever O_TRUNC is set so the local check matches the access the server would have enforced. | ||||
| 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-2026-66149 | 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-2026-10682 | 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-2026-70340 | 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-2026-69320 | 1 Microsoft | 1 Visual Studio Code | 2026-08-12 | 8.8 High |
| Improper neutralization of special elements used in an os command ('os command injection') in Visual Studio Code allows an unauthorized attacker to execute code over a network. | ||||
| CVE-2026-69278 | 1 Microsoft | 1 Visual Studio Code | 2026-08-12 | 7.8 High |
| Incorrect authorization in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally. | ||||
| CVE-2026-65815 | 1 Microsoft | 1 Dynamics 365 | 2026-08-12 | 8.8 High |
| Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network. | ||||
| CVE-2026-65789 | 1 Microsoft | 6 Windows 10 1607, Windows 10 1809, Windows Server 2016 and 3 more | 2026-08-12 | 8.1 High |
| Use after free in Windows DNS allows an unauthorized attacker to execute code over a network. | ||||
| CVE-2026-65768 | 1 Microsoft | 1 Teams | 2026-08-12 | 8.8 High |
| Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Teams for Android allows an unauthorized attacker to execute code over a network. | ||||
| CVE-2026-65680 | 1 Microsoft | 1 .onedrive For Macos | 2026-08-12 | 6.7 Medium |
| Improper link resolution before file access ('link following') in Microsoft OneDrive allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-62827 | 1 Microsoft | 3 Sharepoint Server, Sharepoint Server 2016, Sharepoint Server 2019 | 2026-08-12 | 8.8 High |
| Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network. | ||||
| CVE-2026-62812 | 1 Microsoft | 8 Windows 10 1607, Windows 10 1809, Windows Server 2012 and 5 more | 2026-08-12 | 7.8 High |
| Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-62787 | 1 Microsoft | 8 Windows 10 1607, Windows 10 1809, Windows Server 2012 and 5 more | 2026-08-12 | 7.5 High |
| Use after free in Windows DNS allows an authorized attacker to execute code over a network. | ||||
| CVE-2026-62748 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more | 2026-08-12 | 7 High |
| Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-61925 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more | 2026-08-12 | 7.8 High |
| Incorrect authorization in Windows Installer allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-59113 | 1 Microsoft | 1 Visual Studio Code | 2026-08-12 | 8.8 High |
| Missing authorization in Visual Studio Code allows an unauthorized attacker to execute code over a network. | ||||