Security Bulletin: IBM MQ Java messaging is vulnerable to remote code execution (CVE-2026-12728)

Summary IBM MQ has addressed a deserialization filter bypass vulnerability in the IBM MQ Java client's distributed messaging component that could allow a remote authenticated attacker to execute arbitrary code by delivering crafted serialized messages that bypass the configured deserialization...

CVE-2026-90543

WWBN AVideo at commit c3edcc274c389816d434acadac07ee78eaf330c1 and earlier, with the Live plugin enabled, contains a missing authentication vulnerability in plugin/Live/socketMessageLiveOwner.json.php. The script reads the key and msg parameters from $REQUEST, resolves the stream owner via...

The vulnerability of the Skype for Business Server’s instant messaging program, related to improper external management of file names or paths, allows a hacker to execute arbitrary code.

The vulnerability of the Skype for Business Server’s instant messaging program is related to improper external management of the file name or path. Exploiting this vulnerability could allow a malicious actor to execute arbitrary code remotely...

wildfly-messaging-activemq-subsystem: artemis-server: jgroups: artemis cluster password leak via jgroups spoof

Artemis and JGroups lack of access controls in certain situations can allow an attacker to spoof a password request in JGroups and subsequently gain access to the cluster. This allows the attacker manage-level authority for provided messaging and queue operations...

CVE-2026-57822: Deserialization of Untrusted Data

When the broker is processing message-based management requests, sent by an authenticated messaging client that is authorized with MANAGE permission to perform management-via-messaging, the parameter processing can trigger Java deserialization of certain method parameters that the broker will not...

CVE-2026-70583

Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

CVE-2026-70584

Access of resource using incompatible type 'type confusion' in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

CVE-2026-70583

Windows Core Messaging is affected by a heap-based buffer overflow that allows an authorized low-privilege attacker to elevate privileges locally . The vulnerability is rated CVSS 7.8 (HIGH) with full impact on confidentiality, integrity, and availability, requiring only local access with low pri...

EUVD-2026-73657

Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

EUVD-2026-73084

Access of resource using incompatible type 'type confusion' in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

CVE-2026-70584

Windows Core Messaging is affected by a type confusion vulnerability (access of resource using incompatible type) that allows a locally authenticated attacker to escalate privileges. The impact is rated HIGH (CVSS 3.1 base score 7.8, full confidentiality, integrity, and availability impact) with ...

Windows Core Messaging Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

Windows Core Messaging Elevation of Privilege Vulnerability

Access of resource using incompatible type 'type confusion' in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

CVE-2026-70584: Access of Resource Using Incompatible Type

Access of resource using incompatible type 'type confusion' in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

CVE-2026-70583: Heap-based Buffer Overflow

Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

PT-2026-87817

Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

PT-2026-87818

Access of resource using incompatible type 'type confusion' in Windows Core Messaging allows an authorized attacker to elevate privileges locally...

PEEP Turns Chrome and Edge Into Post-Compromise Backdoors for Host Command Execution

Cybersecurity researchers have disclosed details of a complex Chromium-based post-exploitation toolkit called PEEP that masquerades as a bookmarks extension for the web browser. "Requiring prior administrative or code execution access, its installer injects the extension directly into Chrome/Edge...

CVE-2026-86404 Artemis-server: artemis-jms-client: artemis-core-client: undertow-core: wildfly-messaging-activemq-subsystem: artemis messaging handlers in red hat eap permit deserialization by default

EAP's Artemis deserialization configuration permits deserialization by default. ObjectMessage.getObject uses ObjectInputStreamWithClassLoader, which implements allow-list/block-list filtering via its checkSecurity/isTrustedType method. However, by default both allow-list and block-list are empty...

CVE-2026-86404 Artemis-server: artemis-jms-client: artemis-core-client: undertow-core: wildfly-messaging-activemq-subsystem: artemis messaging handlers in red hat eap permit deserialization by default

EAP's Artemis deserialization configuration permits deserialization by default. ObjectMessage.getObject uses ObjectInputStreamWithClassLoader, which implements allow-list/block-list filtering via its checkSecurity/isTrustedType method. However, by default both allow-list and block-list are empty...