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CVE detail

CVE-2026-59309

VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system.

CVSS 9.8 · CriticalBuzz score 39.0

Buzz score

Why this CVE is surfacing

Buzz score total 39.0

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 19.5 · diversity 19.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
19.5
6 evidence mentions in the snapshot
Diversity score
19.5
6 sources across 3 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
6
within the 30d window
Peak daily
3
highest bucket

Evidence

Source links by recency

Newest mentions first
6 source links · newest first
  • VMware Cloud Foundation, VMware vSphere Foundation, VMware Telco Cloud Platform, and VMware Telco Cloud Infrastructure CVE-2026-59309 affects the VMware Directory Service. According to Broadcom, this vulnerability could enable a malicious hacker to bypass authentication when accessing vCenter. The next vulnerability, CVE-2026-47876 , is an out-of-boun

    newswww.csoonline.comJul 31, 2026, 1:38 PM
  • No excerpt available.

    Vendor Advisorysupport.broadcom.comJul 30, 2026, 1:16 PM
  • oducts. Included in the advisory are two critical remotely exploitable vulnerabilities affecting VMware vCenter Server: CVE-2026-59309 and CVE-2026-59310. Both vulnerabilities carry CVSSv3.1 base scores of 9.8 and can be exploited by unauthenticated attackers with network access to a vulnerable vCenter Server. CVE CVSSv3.1 Description Summary CVE-2026-

    vendorwww.rapid7.comJul 30, 2026, 10:35 AM
  • and Fusion, three of which have been designated as critical in severity. The first of the three critical-rated flaws is CVE-2026-59309 (CVSS score: 9.8), which has been described as an authentication bypass in VMware vCenter. "A malicious actor with network access to vCenter

    newsthehackernews.comJul 29, 2026, 3:31 PM
  • Broadcom patched a critical VMware ESXi VM escape flaw (CVE-2026-47876) that could let attackers run code on the host from a compromised virtual machine. Broadcom has released patches to address five vulnerabilities affecting VMware ESXi, vCenter, Workstation, and Fusion, including three r

    newssecurityaffairs.comJul 29, 2026, 1:02 PM
  • , Workstation, and Fusion. Three of the vulnerabilities have been assigned a ‘critical’ severity rating. One of them is CVE-2026-47876, an out-of-bounds write issue in ESXi’s VMXNET3 virtual network adapter. An attacker with local admin privileges on a VM with this adapter can exploit it to execute arbitrary code on the host. CVE-2026-47876 has been de

    newswww.securityweek.comJul 29, 2026, 11:42 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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