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A vulnerability described as critical has been identified in Mozilla Firefox up to 151. This issue affects some unknown processing of the component WebAssembly. Executing a manipulation can lead to Remote Code Execution. This vulnerability is registered as CVE-2026-12321. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

A vulnerability marked as problematic has been reported in Mozilla Firefox up to 151. This vulnerability affects unknown code of the component Password Manager. Performing a manipulation results in information disclosure. This vulnerability is cataloged as CVE-2026-12320. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

A vulnerability labeled as critical has been found in Mozilla Firefox up to 151. This affects an unknown part of the component DOM Security. Such manipulation leads to Remote Code Execution. This vulnerability is listed as CVE-2026-12316. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

A vulnerability identified as critical has been detected in Mozilla Firefox up to 151. Affected by this issue is some unknown functionality of the component DOM Security. This manipulation causes Remote Code Execution. This vulnerability is tracked as CVE-2026-12315. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

A vulnerability categorized as critical has been discovered in Mozilla Firefox up to 151. Affected by this vulnerability is an unknown functionality of the component Process Sandboxing. The manipulation results in sandbox issue. This vulnerability is identified as CVE-2026-12313. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

A vulnerability was found in Mozilla Firefox up to 140.11/151. It has been rated as critical. Affected is an unknown function of the component Process Sandboxing. The manipulation leads to sandbox issue. This vulnerability is referenced as CVE-2026-12311. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

A vulnerability was found in Mozilla Firefox up to 151.x on iOS. It has been declared as problematic. This impacts an unknown function. Executing a manipulation can lead to permissive cross-domain policy with untrusted domains. The identification of this vulnerability is CVE-2026-53900. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Mozilla Firefox up to 151.x on iOS. It has been classified as problematic. This affects an unknown function. Performing a manipulation results in permissive cross-domain policy with untrusted domains. This vulnerability was named CVE-2026-53899. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

A vulnerability was found in Enhancesoft osTicket 1.18.2 and classified as problematic. The impacted element is an unknown function of the component Session Identifier Handler. Such manipulation leads to session expiration. This vulnerability is uniquely identified as CVE-2026-9507. The attack can be launched remotely. No exploit exists.

A vulnerability has been found in Mozilla Firefox up to 151 and classified as critical. The affected element is an unknown function. This manipulation causes memory corruption. This vulnerability is handled as CVE-2026-12328. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 151. Impacted is an unknown function. The manipulation results in memory corruption. This vulnerability is known as CVE-2026-12327. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 151. This issue affects some unknown processing. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2026-12326. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

The DragonForce ransomware group used a custom malware called Backdoor.Turn to hide command-and-control traffic inside Microsoft Teams relay infrastructure during an intrusion at a U.S. services company, according to Symantec. DragonForce is a ransomware-as-a-service operation that has been active since 2023. The group provides affiliates with ransomware tools and supporting services in exchange for a share of ransom payments. First known abuse of Microsoft Teams TURN infrastructure “Backdoor.Turn obtains an anonymous Teams visitor token from … More →

The post Cybercriminals mask malicious communications through Microsoft Teams relays appeared first on Help Net Security.

A vulnerability classified as critical was found in Mozilla Firefox up to 151. This vulnerability affects unknown code. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2026-12308. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

A vulnerability classified as critical has been found in Mozilla Firefox up to 151. This affects an unknown part. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2026-12307. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

A vulnerability described as critical has been identified in Mozilla Firefox up to 151. Affected by this issue is some unknown functionality. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2026-12306. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Three FortiSandbox flaws, including one patched last week, are being actively exploited, highlighting the shrinking window for defenders. Cybersecurity firm Defused Cyber confirmed it’s seen active exploitation of three vulnerabilities in Fortinet FortiSandbox within a 24-hour window. Two of them had patches sitting available since April. The third got fixed last week, which, apparently, wasn’t […]

A vulnerability marked as critical has been reported in Mozilla Firefox up to 151. Affected by this vulnerability is an unknown functionality. This manipulation causes memory corruption. This vulnerability is registered as CVE-2026-12305. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

A vulnerability labeled as problematic has been found in Mozilla Firefox up to 151. Affected is an unknown function of the component Cookies. The manipulation results in permissive cross-domain policy with untrusted domains. This vulnerability is cataloged as CVE-2026-12304. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

A vulnerability identified as critical has been detected in Mozilla Firefox up to 151. This impacts an unknown function. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2026-12301. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.