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Vulnerabilities

Vulnerability · CVE-2026-85299

Published: 2026-10-26 Description Description Severity Notes An incorrect authorization vulnerability was discovered in Compute Engine prior to August 31, 2026.

Published Oct 26, 2026 · Google Google Cloud

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-85299. EPSS is 0.26%. Act only if a listed version of Google Google Cloud is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.26%
Remediation
Not established
Affected products
Google Google Cloud

Published: 2026-10-26 Description Description Severity Notes An incorrect authorization vulnerability was discovered in Compute Engine prior to August 31, 2026. What should I do? No action is required from you. This vulnerability was patched on August 31, 2026. What vulnerabilities are being addressed? An incorrect authorization vulnerability in Compute Engine versions prior to August 31, 2026 allows a user to exfiltrate disk data without the required IAM permissions. High CVE-2026-85299 ]]>

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-85299

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-85299. EPSS is 0.26%. Act only if a listed version of Google Google Cloud is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 26, 2026 · Google Cloud Security Bulletins

    Detected

    Published: 2026-10-26 Description Description Severity Notes An incorrect authorization vulnerability was discovered in Compute Engine prior to August 31, 2026. What should I do? No action is required from you. This vulnerability was patched on August 31, 2026. What vulnerabilities are being addressed? An incorrect authorization vulnerability in Compute Engine versions prior to August 31, 2026 all

Sources

  • CVE.orgVulnerability recordCVE-2026-85299

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-85299

    30-day exploitation probability 0.26%

    first.org
  • Google Cloud Security BulletinsVendor advisoryCVE-2026-85299

    Published: 2026-10-26 Description Description Severity Notes An incorrect authorization vulnerability was discovered in Compute Engine prior to August 31, 2026. What should I do? No action is required from you. This vulnerability was patched on August 31, 2026. What vulnerabiliti

    docs.cloud.google.com
  • Tenable CVE DatabaseVulnerability recordCVE-2026-85299

    A Missing Authorization vulnerability in the disks.createSnapshot and regionDisks.createSnapshot APIs in Google Compute Engine versions prior to 2026-08-31 on Google Cloud Platform allows an authenticated attacker to exfiltrate cross-project disk data. This vulnerability was patched on 31 August 2026, and no customer action is needed.

    tenable.com

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Google Cloud Security BulletinsNov 6, 2026
  • FIRST EPSSOct 28, 2026
  • CVE.orgOct 27, 2026
  • Tenable CVE DatabaseOct 27, 2026