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CVE-2026-57446

libIEC61850: Server-side double free in MMS ObtainFile task reuse due to stale FILE* handle

libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. From 1.6.1 until 1.6.2, a successful MMS ObtainFile operation closes MmsObtainFileTask::fileHandle but leaves the stale non-NULL value in a task marked MMS_FILE_UPLOAD_STATE_NOT_USED. If a later ObtainFile request reuses that task and destination creation fails, MMS_FILE_UPLOAD_STATE_SEND_OBTAIN_FILE_ERROR_DESTINATION cleanup closes the stale FILE object again. Servers with the MMS file service and ObtainFile enabled can therefore be crashed remotely by the success-then-failure request sequence. This issue is fixed in version 1.6.2.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Mz-automation
Products
Libiec61850
CVE-2026-88152

Windows Background Intelligent Transfer Service (BITS) Elevation of Privilege Vulnerability

Use after free in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 25 more
CVE-2026-98112

ksmbd: fix listener task lifetime on netdev events

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix listener task lifetime on netdev events The listener thread exits when its listening socket is shutdown. The netdevice notifier shuts down the socket before calling kthread_stop(), so the task_struct can be freed before kthread_stop() gets its reference. Create the listener in a stopped state and hold an extra task_struct reference until kthread_stop_put() completes. Also stop and release listeners before freeing their interface records during TCP teardown.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2026-74969

Race condition, use-after-free in the Layout: Text and Fonts component

Race condition, use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Mozilla
Products
Firefox Thunderbird
CVE-2026-63946

Bluetooth: ISO: fix UAF in iso_recv_frame

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix UAF in iso_recv_frame iso_recv_frame reads conn->sk under iso_conn_lock but releases the lock before using sk, with no reference held. A concurrent iso_sock_kill() can free sk in that window, causing use-after-free on sk->sk_state and sock_queue_rcv_skb(). Fix by replacing the bare pointer read with iso_sock_hold(conn), which calls sock_hold() while the spinlock is held, atomically elevating the refcount before the lock drops. Add a drop_put label so sock_put() is called on all exit paths where the hold succeeded.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Linux
Products
Linux Kernel
CVE-2026-72969

Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 and 10 more
CVE-2026-72968

Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 20 more
CVE-2026-72934

Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 and 9 more
CVE-2026-81971

Windows NTFS Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 25 more