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Mythos Preview Builds Functional Proof of Concept Exploits in Record Time

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AI Is No Longer Just Finding Bugs - It Is Building Exploits As an independent cybersecurity blogger and part time penetration tester, vulnerability discovery has traditionally required: Reverse engineering expertise Exploit development experience Weeks or months of manual testing Deep operating system knowledge That model is beginning to change rapidly. Researchers and security firms are now demonstrating how Anthropic’s Claude Mythos Preview can autonomously: Discover vulnerabilities Build exploit chains Generate working proof of concept attacks Bypass hardened security protections Escalate privileges on modern systems  Multiple research teams have now confirmed Mythos assisted in creating functional exploits targeting: macOS Linux kernels Firefox OpenBSD Browser engines Memory safety flaws  Researchers warn this represents a major turning point in cybersecurity. What Happened: Researchers Used Mythos to Build Working Exploits Ant...
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CISA Warns of Actively Exploited Microsoft Exchange Server Vulnerability

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Another Microsoft Exchange Zero Day Is Under Active Exploitation As an independent cybersecurity blogger and part time penetration tester, Microsoft Exchange Server continues to remain one of the most heavily targeted enterprise platforms in cybersecurity history. CISA and Microsoft are now warning organizations about a newly disclosed and actively exploited vulnerability affecting: Microsoft Exchange Server 2016 Microsoft Exchange Server 2019 Exchange Server Subscription Edition  The flaw, tracked as: CVE-2026-42897 CVSS score: 8.1 High affects Outlook Web Access (OWA) and allows attackers to execute malicious JavaScript within a victim’s browser session through specially crafted emails. Researchers warn the vulnerability is already being exploited in the wild. What Happened: Microsoft Confirmed Active Exploitation Microsoft disclosed CVE-2026-42897 on May 14, 2026 and classified the issue with: “Exploitation Detected” status. According to Microsoft, ...
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Malicious JPEG Images Exploit PHP Memory Safety Vulnerabilities

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When a JPEG File Becomes a Server Side Attack Vector As an independent cybersecurity blogger and part time penetration tester, image files are usually considered low risk compared to executables or scripts. That assumption is becoming increasingly dangerous. Researchers recently disclosed two serious PHP memory safety vulnerabilities where specially crafted JPEG images can trigger: Heap memory disclosure Denial of service conditions Potential application instability Sensitive server data exposure The flaws affect PHP’s built in image handling functionality and specifically target how PHP processes: JPEG metadata EXIF information IPTC embedded image data Because PHP powers a massive portion of the internet, the implications extend across: CMS platforms File upload portals Webmail systems Image processing APIs Content delivery infrastructure This is not simply an image parsing bug. It is a server side memory corruption issue hidden inside normal imag...
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Critical Canon MailSuite Vulnerability Actively Exploited in the Wild

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When Enterprise Mail Security Becomes the Attack Surface As an independent cybersecurity blogger and part time penetration tester, email security gateways are often deployed specifically to protect organizations from cyberattacks. That is exactly why the newly disclosed Canon GUARDIANWALL MailSuite vulnerability is so concerning. Researchers and Japanese security authorities confirmed that attackers are already exploiting a critical stack based buffer overflow vulnerability that allows unauthenticated remote code execution against vulnerable Canon mail security infrastructure. The flaw, tracked as CVE-2026-32661 , carries: CVSS v3 score: 9.8 Critical Network based exploitation No authentication required Arbitrary code execution potential Because MailSuite products frequently sit directly in front of enterprise email infrastructure, the implications are severe. What Happened: Canon Disclosed an Actively Exploited RCE Vulnerability Canon Marketing Japan and JPCERT/CC...
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