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Search Results (376635 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-64296 | 1 Linux | 1 Linux Kernel | 2026-08-12 | 7.8 High |
| In the Linux kernel, the following vulnerability has been resolved: exfat: bound uniname advance in exfat_find_dir_entry() In exfat_find_dir_entry(), each TYPE_EXTEND (file name) entry advances the output pointer by a fixed amount while the loop guard only tracks the accumulated name length: if (++order == 2) uniname = p_uniname->name; else uniname += EXFAT_FILE_NAME_LEN; len = exfat_extract_uni_name(ep, entry_uniname); name_len += len; unichar = *(uniname+len); *(uniname+len) = 0x0; uniname grows by EXFAT_FILE_NAME_LEN (15) per name entry, but name_len grows only by the actual extracted length, which is shorter when a name fragment contains an early NUL. The only guard is `name_len >= MAX_NAME_LENGTH`, so a crafted directory with many short name fragments lets uniname run far past the p_uniname->name[MAX_NAME_LENGTH + 3] buffer while name_len stays small, causing an out-of-bounds read and write at *(uniname+len). The sibling extractor exfat_get_uniname_from_ext_entry() already stops on a short fragment (the lockstep `len != EXFAT_FILE_NAME_LEN` guard added in commit d42334578eba ("exfat: check if filename entries exceeds max filename length")); exfat_find_dir_entry() never got the equivalent. Track the per-entry write offset as a count and reject a fragment once the offset, or the offset plus the extracted length, would exceed MAX_NAME_LENGTH, before forming the output pointer. | ||||
| CVE-2026-62897 | 1 Microsoft | 4 .net, .net Framework, Visual Studio 2022 and 1 more | 2026-08-12 | 7 High |
| Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally. | ||||
| CVE-2026-62732 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more | 2026-08-12 | 7.8 High |
| Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-62726 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more | 2026-08-12 | 7 High |
| Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-62725 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more | 2026-08-12 | 7 High |
| Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-62734 | 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-2026-64298 | 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-2026-62753 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more | 2026-08-12 | 7 High |
| Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-62739 | 1 Microsoft | 10 Windows 10 1809, Windows 10 21h2, Windows 10 22h2 and 7 more | 2026-08-12 | 7.8 High |
| Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-65795 | 1 Microsoft | 12 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 9 more | 2026-08-12 | 6.7 Medium |
| No cwe for this issue in Windows DNS allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-70348 | 1 Microsoft | 3 Windows 11 24h2, Windows 11 25h2, Windows 11 26h1 | 2026-08-12 | 5.5 Medium |
| Improper link resolution before file access ('link following') in Windows Management Services allows an authorized attacker to deny service locally. | ||||
| CVE-2026-65790 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more | 2026-08-12 | 7.8 High |
| Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-65780 | 1 Microsoft | 3 Windows 11 24h2, Windows 11 25h2, Windows 11 26h1 | 2026-08-12 | 7 High |
| Double free in Windows Autopilot allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-62717 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 11 more | 2026-08-12 | 7.8 High |
| Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally. | ||||
| 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. | ||||