Blog – Page 26 – Learn and Explore

October 1, 2026
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Apple CoreGraphics PoC Emerges as WhatsApp PDF Checks Hint at Possible Delivery Path

Security researchers have published the first public proof-of-concept for CVE-2026-86950, an Apple CoreGraphics flaw Apple says may have been used in attacks against specific targeted individuals. The trigger is a malicious PDF with a crafted embedded font that crashes unpatched iPhones and Macs. The code causes a crash, not...

October 1, 2026
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MetaMask Security Incident Prompts Exit of Affected Ethereum Validators

MetaMask on Thursday said it’s responding to what it described as an “ongoing security incident” impacting part of its infrastructure. “We are actively addressing and remediating the issue internally, in coordination with external partners and security advisors,” the software cryptocurrency wallet maker said. “At this time, we have identified...

October 1, 2026
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Bitget Confirms Third-Party Zero-Day Behind $387.5 Million Cryptocurrency Theft

Cryptocurrency exchange Bitget on Wednesday confirmed that attackers who stole $387.5 million last week exploited a zero-day flaw in third-party security products, citing ongoing investigation findings from SlowMist. “Their investigation identified malicious activity involving third-party security products, including a zero-day vulnerability, and recovered a customized tool used by the...

October 1, 2026
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Citrix NetScaler Post-Exploitation Payload Creates Superuser, Maps Web Shell to CSS-Like URLs

Threat actors have been observed exploiting a critical pre-authentication command injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway to drop web shells and attempt theft of configuration data. LevelBlue’s Threat Hunt Operations & Research (THOR) team, which analyzed the exploitation activity across multiple customer environments, said it identified...

September 30, 2026
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Attackers Abuse MSP360 to Deploy ScreenConnect in Dual-RMM Phishing Attacks

Microsoft has warned of phishing campaigns distributing an installer for the MSP360 Remote Monitoring and Management (RMM) software under the guise of meeting invitations, PDF-themed lures, software update prompts, and other social-engineering content. “Once executed, the legitimate MSP360 installer, distributed under a deceptive file name established remote management access...

September 30, 2026
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Attackers Exploit Zimbra Flaw to Deploy Web Shells and Harvest Authentication Secrets

Threat actors have weaponized a now-patched security flaw in Zimbra Collaboration Suite (ZCS) to deploy web shells and access mailbox data, according to findings from the Microsoft Security Research team. The attack exploits CVE-2026-73570 (CVSS score: 8.9), an unauthenticated operating system command injection flaw that can lead to remote...

September 30, 2026
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Attackers Abuse ChatGPT Custom GPTs to Deliver RAT via ClickFix Lures

Threat actors are abusing ChatGPT Custom GPTs to disguise them as legitimate product offerings and direct unsuspecting victims to malicious sites that employ ClickFix lures to deliver malware. Huntress, which observed the activity in late September 2026, said it marks the abuse of yet another feature in trusted artificial...

September 30, 2026
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Cisco Warns of Attackers Exploiting Critical Authentication Bypass in SD-WAN Manager

Attackers are exploiting a critical flaw in Cisco Catalyst SD-WAN Manager, the system companies use to manage their Cisco SD-WAN networks, Cisco said in an advisory on September 30. The flaw, CVE-2026-76504, could allow a remote attacker with no login access to use the Manager’s API as the admin user. Fixed...

September 30, 2026
Uncategorized

Know Your Enemy: Browser-Based Attack Techniques in 2026

Given that the browser is where business apps are accessed and used, it makes sense that attacks are happening there too. Most breaches today begin in a browser session. Often, they never leave it, with the entire attack chain from initial access to exfiltration playing out in the browser....

September 30, 2026
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US-Focused CSuite Phishing Steals Microsoft 365 Sessions and Deploys RMM Tools for Remote Access

ANY.RUN researchers traced a US-focused CSuite phishing campaign across 351 sandbox analyses, with 51% of submissions coming from the United States. Technology, manufacturing, government, and consulting organizations showed the highest exposure. By combining Microsoft 365 session theft with remote-access tool deployment, CSuite can turn a phishing incident into broader...