Broadcom VMware vCenter Server Out-of-bounds Write Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 23/01/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| cloud foundation | ≥ 4.0, < 5.2 | 5.2 |
| vcenter server | = 7.0= 8.0 |
vCenter Server contains a heap-overflow vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger this vulnerability by sending a specially crafted network packet potentially leading to remote code execution.
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