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No exploitation reported

CVE-2026-85299

Missing Authorization in Compute Engine allows Cross-Project Disk Exfiltration

No exploitation reported by the sources we read.

  • Published2026-10-27
  • WeaknessCWE-862

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-10-2710:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-28 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-85299?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-85299?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-85299 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVE recordread 2026-10-27
  • CNACVSS 4.08.3read 2026-10-27
  • CNAweakness (CWE)CWE-862read 2026-10-27
  • FIRST EPSSEPSS score0.4 %2026-10-26

Technical details

CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear
Published
2026-10-27
Last Modified
2026-10-27
NVD status
Received

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.

Is CVE-2026-85299 actively exploited?

Active exploitation of CVE-2026-85299 has not been confirmed. Its EPSS score was 0.4% on 2026-10-26, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-85299?

A CVSS score has not been assigned to CVE-2026-85299 yet.

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