9.8

CVE-2026-59309: vmware cloud_foundation

CVSS: 9.8v3.1CriticalAnalyzed
Published 30-07-2026Last modified 30-07-2026
Open JSON

Vulnerability summary

CVE-2026-59309 is a critical (CVSS 9.8) vulnerability in vmware cloud_foundation. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.61%
0%100%
Low · -7.33 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-07-2026
    PublishedVulnerability first disclosed.
  2. 30-07-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.61%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

-7.33 pp

From 7.94% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.61%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Vmware6 products
  • cloud_foundation9.1.x.x | 9.0.x.x | ≥ 5.0, < 6.0
  • telco_cloud_infrastructure3.0
  • telco_cloud_platform≥ 5.1.0, < 5.2.0 | ≥ 5.0.0, < 5.1.0 | ≥ 4.0, < 5.0 | 3.0
  • vcenter≥ 9.1.x.x, < 9.1.0.0300 | ≥ 9.0.x.x, < 9.0.2.0100 | ≥ 8.0, < 8.0 U3k
  • vcenter_server< 8.0 | 8.0 | 8.0:a | 8.0:b | 8.0:c | 8.0:update1 | 8.0:update1a | 8.0:update1b | 8.0:update1c | 8.0:update1d | 8.0:update1e | 8.0:update2 | 8.0:update2a | 8.0:update2b | 8.0:update2c | 8.0:update2d | 8.0:update2e | 8.0:update3 | 8.0:update3a | 8.0:update3b | 8.0:update3c | 8.0:update3d | 8.0:update3e | 8.0:update3g | 8.0:update3h | 8.0:update3i | 8.0:update3j | ≥ 9.0, < 9.0.2.0100 | ≥ 9.1, < 9.1.0.0300

1 vendor · 6 products

References

1 links