OCTOBER 13, 2026
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Case File

CVE-2026-103679

MEDIUM · CVSS 6.5 EPSS 0.28% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-10-01 · Last synced 2026-10-13

CyberRota Analysis

AI-Generated

A vulnerability exists in the TNEF processing that allows remote attackers to craft malicious TNEF files containing multiple message bodies, leading to improper memory management. This can trigger use-after-free and double-free conditions, causing the affected application to crash and resulting in a Denial of Service (DoS). Organizations using software that processes TNEF files should prioritize patching this issue to mitigate potential service disruptions.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-103679
Severity
MEDIUM
CVSS
6.5
EPSS
0.28%

Original NVD Description

A flaw was found in tnef. A remote attacker could exploit this vulnerability by providing a specially crafted Transport Neutral Encapsulation Format (TNEF) file containing multiple message bodies. During extraction, improper memory management triggers a use-after-free and double-free condition, causing the application to crash and resulting in a Denial of Service (DoS).

Related CVEs

Other vulnerabilities affecting the same vendor(s)