Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-69617
Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. the CNA's CVSS baseline 7.0; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.0
- EG Score
- 7.0(high)
- EG Risk
- 32(Track)EG Risk 32/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity70% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 16%
- KEV
- Not listed
Published
September 8, 2026
Last Modified
September 24, 2026
Advisory Details (1)
Auto-updated Sep 8, 2026Security Update Guide - Microsoft Security Response Center
Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69617Vendor Advisories for CVE-2026-69617(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 49× in last 7d / 123× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 123 total refreshes for this CVE.
- 2026-09-25 11:53 UTCVendor advisory
- 2026-09-25 11:53 UTCGHSA enrichment
- 2026-09-24 22:48 UTCVendor advisory
- 2026-09-24 22:48 UTCGHSA enrichment
- 2026-09-24 21:02 UTCVendor advisory
- 2026-09-24 21:02 UTCGHSA enrichment
- 2026-09-24 17:49 UTCEG score recompute
- 2026-09-24 17:49 UTCVendor advisory
- 2026-09-24 17:49 UTCGHSA enrichment
- 2026-09-24 12:11 UTCVendor advisory
- 2026-09-24 12:11 UTCGHSA enrichment
- 2026-09-23 23:06 UTCVendor advisory
- 2026-09-23 23:06 UTCGHSA enrichment
- 2026-09-23 18:45 UTCEG score recompute
- 2026-09-23 18:45 UTCVendor advisory
- 2026-09-23 18:45 UTCGHSA enrichment
- 2026-09-23 17:54 UTCEPSS rescore
- 2026-09-23 07:53 UTCVendor advisory
- 2026-09-23 07:53 UTCGHSA enrichment
- 2026-09-22 18:48 UTCEG score recompute
- 2026-09-22 18:48 UTCVendor advisory
- 2026-09-22 18:48 UTCGHSA enrichment
- 2026-09-22 05:43 UTCEG score recompute
- 2026-09-22 05:43 UTCVendor advisory
- 2026-09-22 05:43 UTCGHSA enrichment
Show 75 moreShow fewer
- 2026-09-21 21:09 UTCEPSS rescore
- 2026-09-21 16:38 UTCEG score recompute
- 2026-09-21 16:38 UTCVendor advisory
- 2026-09-21 16:38 UTCGHSA enrichment
- 2026-09-21 14:31 UTCEG score recompute
- 2026-09-21 14:31 UTCVendor advisory
- 2026-09-21 14:31 UTCGHSA enrichment
- 2026-09-21 01:34 UTCEG score recompute
- 2026-09-21 01:34 UTCVendor advisory
- 2026-09-21 01:34 UTCGHSA enrichment
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-20 12:29 UTCVendor advisory
- 2026-09-20 12:29 UTCGHSA enrichment
- 2026-09-19 23:09 UTCEG score recompute
- 2026-09-19 23:09 UTCVendor advisory
- 2026-09-19 23:09 UTCGHSA enrichment
- 2026-09-19 10:04 UTCVendor advisory
- 2026-09-19 10:04 UTCGHSA enrichment
- 2026-09-18 21:00 UTCEG score recompute
- 2026-09-18 21:00 UTCVendor advisory
- 2026-09-18 21:00 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 14:09 UTCVendor advisory
- 2026-09-18 14:09 UTCGHSA enrichment
- 2026-09-18 12:40 UTCVendor advisory
- 2026-09-18 12:40 UTCGHSA enrichment
- 2026-09-17 23:35 UTCVendor advisory
- 2026-09-17 23:34 UTCGHSA enrichment
- 2026-09-17 20:09 UTCEG score recompute
- 2026-09-17 20:09 UTCVendor advisory
- 2026-09-17 20:09 UTCGHSA enrichment
- 2026-09-17 11:05 UTCVendor advisory
- 2026-09-17 11:04 UTCGHSA enrichment
- 2026-09-16 22:00 UTCEG score recompute
- 2026-09-16 22:00 UTCVendor advisory
- 2026-09-16 22:00 UTCGHSA enrichment
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 12:06 UTCEG score recompute
- 2026-09-16 12:06 UTCVendor advisory
- 2026-09-16 12:06 UTCGHSA enrichment
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 23:01 UTCVendor advisory
- 2026-09-15 23:01 UTCGHSA enrichment
- 2026-09-15 17:44 UTCVendor advisory
- 2026-09-15 17:44 UTCGHSA enrichment
- 2026-09-15 12:16 UTCEG score recompute
- 2026-09-15 12:16 UTCVendor advisory
- 2026-09-15 12:16 UTCGHSA enrichment
- 2026-09-14 23:11 UTCVendor advisory
- 2026-09-14 23:11 UTCGHSA enrichment
- 2026-09-14 17:43 UTCVendor advisory
- 2026-09-14 17:43 UTCGHSA enrichment
- 2026-09-14 16:17 UTCVendor advisory
- 2026-09-14 16:17 UTCGHSA enrichment
- 2026-09-14 03:12 UTCEG score recompute
- 2026-09-14 03:12 UTCVendor advisory
- 2026-09-14 03:12 UTCGHSA enrichment
- 2026-09-13 14:08 UTCVendor advisory
- 2026-09-13 14:08 UTCGHSA enrichment
- 2026-09-13 01:04 UTCEG score recompute
- 2026-09-13 01:04 UTCVendor advisory
- 2026-09-13 01:04 UTCGHSA enrichment
- 2026-09-12 11:59 UTCVendor advisory
- 2026-09-12 11:59 UTCGHSA enrichment
- 2026-09-11 22:54 UTCVendor advisory
- 2026-09-11 22:54 UTCGHSA enrichment
- 2026-09-11 20:03 UTCVendor advisory
- 2026-09-11 20:03 UTCGHSA enrichment
- 2026-09-11 16:51 UTCEG score recompute
- 2026-09-11 16:51 UTCVendor advisory
- 2026-09-11 16:51 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 12:38 UTCGHSA enrichment
- 2026-09-10 23:31 UTCGHSA enrichment
- 2026-09-10 11:08 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-69617?
When was CVE-2026-69617 disclosed?
Is CVE-2026-69617 actively exploited?
What is the CVSS score of CVE-2026-69617?
How do I remediate CVE-2026-69617?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-69617
Is Your Infrastructure Affected by CVE-2026-69617?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.