CVE-2026-40355

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

July 22, 2026

Last Seen

July 22, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Kerberos Vulnerabilities Lead to Denial of Service Risks70.5

Multiple vulnerabilities were discovered in Kerberos, specifically an integer underflow in the berval2tl_data() function (CVE-2026-11850) and issues in the NegoEx mechanism parsing (CVE-2026-40355, CVE-2026-40356). These vulnerabilities could allow remote attackers to crash Kerberos, resulting in de...