CVE-2026-85299

HIGHCVSS 8.3/10EPSS 0.35%

Last modified

CVE-2026-85299 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Google CloudCompute Engine< 2026-08-31

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-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.
How severe is CVE-2026-85299?
CVE-2026-85299 has a CVSS score of 8.3/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2026-85299?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST