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VMware vCenter Zero-Day: CVE-2026-59310 Hits 47 Nations

Tech-Insider • August 25, 2026

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

VMware and Cisco Zero-Day Vulnerabilities Exploited Globally Two significant zero-day vulnerabilities have emerged, affecting VMware vCenter and Cisco ASA/FTD systems. CVE-2026-59310, published on July 30, 2026, is actively exploited in 47 nations, with a proof-of-concept released on August 17, 2026. Meanwhile, CVE-2026-20349, disclosed on August 11, 2026, is also under active exploitation as confirmed by CISA on the same day. Both vulnerabilities have been added to the CISA KEV list, indicating their critical nature. The VMware vulnerability allows attackers to execute arbitrary code, while the Cisco flaw has a CVSS score of 8.6, indicating high severity. Organizations using affected systems are urged to take immediate action to mitigate risks. The scope of impact is extensive, affecting numerous organizations globally. 2 sources 77

Extracted Entities

VMware vCenter Zero-Day: CVE-2026-59310 Hits 47 Nations

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Extracted Entities

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Platforms (1)