CVE-2023-43770

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

July 23, 2026

Last Seen

July 24, 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

Russian Hackers Exploit Zimbra Zero-Day for Espionage Campaign80.8

Since July 2025, Russian state-backed hackers, known as Laundry Bear, have exploited a zero-click vulnerability (CVE-2025-66376) in the Zimbra Collaboration Suite to infiltrate Western government and commercial organizations. This attack method allows hackers to steal sensitive data without requirin...

APT28 Exploits Roundcube Vulnerabilities in Targeted Cyber Espionage Campaign75.8

APT28 (Fancy Bear) has been linked to Operation Roundish, utilizing a comprehensive Roundcube exploitation toolkit against Ukrainian government targets. The toolkit, discovered in January 2026, includes XSS payloads, a command-and-control server, and various credential harvesting tools. The operatio...