Broadcom VMware vCenter Server Out-of-bounds Write Vulnerability
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…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 4 / 5
- KEV catalog (CISA)23 Jan 2026
- Exploited in EUVD (ENISA)23 Jan 2026
- Used by ransomwareno
- EPSS above 10 %22.4%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
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.
Affected products
- 8.0 <8.0 U2d
- 7.0 <7.0 U3r
- 8.0 <8.0 U1e
- 5.x
- 4.x
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
-
EPSS peak: 22.4%
References
Other exploited vulnerabilities from the same vendor
- CVE-2026-41709Broadcom VMWare ESX Insufficient Logging Vulnerability2.3 · Rising fast
- CVE-2026-59310Broadcom VMware vCenter Path Traversal Vulnerability6.4 · Actively exploited
- CVE-2026-22719Broadcom VMware Aria Operations Command Injection Vulnerability6.2 · Background exploitation
- CVE-2025-41244Broadcom VMware Aria Operations and VMware Tools Privilege Defined with Unsafe Actions Vulnerability4.6 · Background exploitation
- CVE-2025-1976Broadcom Brocade Fabric OS Code Injection Vulnerability4.7 · Background exploitation