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CategoryAll Malware 914 Vulnerability 520 Ransomware 371 Threat actor 305 Phishing & fraud 223 Exploit / PoC 187 Data breach 151 Policy & legal 137 Industry 69 Advisory 35 Research 24 Tools 13 AI safety & security 11 AI research 10

SeverityAll critical 682 high 1192 medium 788 low 275 info 53

ZDI-26-615: (0Day) pdfforge PDF Architect activation-service Update Service Uncontrolled Search Path Element Local Privilege Escalation Vulnerability

Zero Day Initiative disclosed an uncontrolled search path flaw in pdfforge PDF Architect's update service, allowing local privilege escalation (CVSS 7.8).

ZDI published advisory ZDI-26-615 describing a local privilege escalation vulnerability in the activation-service Update Service of pdfforge PDF Architect. An uncontrolled search path element lets local attackers escalate privileges, but they must first be able to execute low-privileged code on the target. ZDI rated the issue 7.8 and tagged it as a 0-day disclosure.

ZDI Published AdvisoriesAug 31, 05:00 UTC · 17d agoVulnerability

ZDI-26-601: Foxit PDF Reader Annotation Use-After-Free Information Disclosure Vulnerability

Foxit PDF Reader has a use-after-free vulnerability (CVE-2026-13129, CVSS 3.3) allowing sensitive information disclosure when a user opens malicious content.

ZDI-26-601 describes a use-after-free vulnerability in the annotation feature of Foxit PDF Reader, tracked as CVE-2026-13129 with a CVSS score of 3.3. Successful exploitation allows remote attackers to disclose sensitive information, but requires user interaction such as visiting a malicious page or opening a malicious file. The advisory does not mention any exploitation in the wild.

ZDI Published AdvisoriesAug 24, 05:00 UTC · 24d agoVulnerability CVE-2026-13129

ZDI-26-672: Adobe Acrobat Reader DC PDF File Parsing Integer Underflow Information Disclosure Vulnerability

ZDI disclosed CVE-2026-81977, an integer underflow in Adobe Acrobat Reader DC PDF parsing that enables sensitive information disclosure.

Zero Day Initiative advisory ZDI-26-672 reports an integer underflow in PDF file parsing in Adobe Acrobat Reader DC. A remote attacker could disclose sensitive information, but exploitation requires the victim to open a malicious file or visit a malicious page. The flaw carries a low CVSS score of 3.3. No exploitation is reported.

ZDI Published AdvisoriesSep 10, 05:00 UTC · 7d agoVulnerability 19 sources CVE-2026-81977

Newly Declassified NSA Document on Cryptography in the 1970s

Schneier on SecurityMay 11, 14:09 UTC · May 11, 2021Vulnerability