Microsoft Teams vishing

Microsoft Teams Vishing Campaign STAC4749 Deploys Chaos Ransomware

Do Son August 4, 2026

At a glance Actor STAC4749 (unattributed threat cluster) Activity Teams vishing, remote access, ransomware Targets Dozens of...

GoGRPC Backdoor Spreads Through Microsoft Teams Vishing Spirals ransomware double extortion attack chain from IIS web shell to network encryption

Spirals ransomware double extortion attack chain from IIS web shell to network encryption

GoGRPC Backdoor Spreads Through Microsoft Teams Vishing

Do Son July 31, 2026

At a glance Actor Unnamed threat actor, likely a ransomware initial access broker Activity Vishing-led intrusion and...

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CVE-2026-77647CVSS 9.8
SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August...
Admin intel📅 Updated: Aug 21, 2026
CVE-2026-69836CVSS 10.0
Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.
Admin intel📅 Updated: Aug 21, 2026
CVE-2026-73570CVSS 8.9
A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is...
Admin intel📅 Updated: Aug 20, 2026
CVE-2026-72529CVSS 9.8
A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9,...
CISA KEV📅 Added to KEV: Aug 20, 2026
CVE-2026-72530CVSS 9.0
A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9,...
CISA KEV📅 Added to KEV: Aug 20, 2026
CVE-2026-64849CVSS 9.3
MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. Prior...
Admin intelCISA KEV📅 Added to KEV: Aug 19, 2026📅 Updated: Aug 18, 2026
CVE-2026-71479CVSS 9.1
Multiple billing paths multiplied user-controlled quantity parameters into the quota calculation without an upper bound or overflow-safe integer...
Admin intel📅 Updated: Aug 18, 2026
CVE-2026-33824CVSS 9.8
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
CISA KEV📅 Added to KEV: Aug 18, 2026

Critical Alert 2 Active Exploits Detected Today

Microsoft Teams Vishing Campaign STAC4749 Deploys Chaos Ransomware

GoGRPC Backdoor Spreads Through Microsoft Teams Vishing