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CVE-2023-26369: One-click PDF exploits

ID: 07491042-58cd-504a-9265-7aa430d2aaa6

STIX ID: report--07491042-58cd-504a-9265-7aa430d2aaa6

Feed Name: ThreatLocker Blog

Threat Score
45/100

Date Published: 2025-01-03

Date Updated: 2026-05-01

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The report describes how PDFs are commonly abused in phishing and exploitation, highlights CVE-2023-26369 (an out-of-bounds memory vulnerability) with a video proof-of-concept demonstration, and recommends ThreatLocker mitigations—Ringfencing PDF readers and strict allowlisting—to reduce the risk of PDF-based attacks.

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