Missing authorization in Windows Hyper-V allows an authorized attacker to elevate privileges over a network.
CVE-2026-69553
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 60% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- 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
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 34(Track)EG Risk 34/100SSVC: 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 computedSeverity75% × 45%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 40%
- 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-2026-69553Vendor Advisories for CVE-2026-69553(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 53× in last 7d / 133× 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 133 total refreshes for this CVE.
- 2026-09-25 09:26 UTCVendor advisory
- 2026-09-25 09:26 UTCGHSA enrichment
- 2026-09-24 22:35 UTCVendor advisory
- 2026-09-24 22:35 UTCGHSA enrichment
- 2026-09-24 21:08 UTCVendor advisory
- 2026-09-24 21:08 UTCGHSA enrichment
- 2026-09-24 19:15 UTCEG score recompute▲ 0.40
- 2026-09-24 19:15 UTCVendor advisory
- 2026-09-24 19:15 UTCGHSA enrichment
- 2026-09-24 19:14 UTCNVD updateCVSS v3 → 7.5
- 2026-09-24 17:51 UTCEG score recompute
- 2026-09-24 17:51 UTCVendor advisory
- 2026-09-24 17:51 UTCGHSA enrichment
- 2026-09-24 09:57 UTCVendor advisory
- 2026-09-24 09:57 UTCGHSA enrichment
- 2026-09-23 23:06 UTCVendor advisory
- 2026-09-23 23:06 UTCGHSA enrichment
- 2026-09-23 19:00 UTCEG score recompute
- 2026-09-23 19:00 UTCVendor advisory
- 2026-09-23 19:00 UTCGHSA enrichment
- 2026-09-23 17:54 UTCEPSS rescore
- 2026-09-23 12:24 UTCVendor advisory
- 2026-09-23 12:23 UTCGHSA enrichment
- 2026-09-23 01:32 UTCEG score recompute
- 2026-09-23 01:32 UTCVendor advisory
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- 2026-09-23 01:32 UTCGHSA enrichment
- 2026-09-22 14:40 UTCVendor advisory
- 2026-09-22 14:40 UTCGHSA enrichment
- 2026-09-22 03:46 UTCEG score recompute
- 2026-09-22 03:46 UTCVendor advisory
- 2026-09-22 03:46 UTCGHSA enrichment
- 2026-09-21 21:09 UTCEPSS rescore
- 2026-09-21 16:53 UTCVendor advisory
- 2026-09-21 16:53 UTCGHSA enrichment
- 2026-09-21 14:17 UTCVendor advisory
- 2026-09-21 14:17 UTCGHSA enrichment
- 2026-09-21 03:26 UTCVendor advisory
- 2026-09-21 03:26 UTCGHSA enrichment
- 2026-09-20 16:35 UTCVendor advisory
- 2026-09-20 16:35 UTCGHSA enrichment
- 2026-09-20 05:44 UTCVendor advisory
- 2026-09-20 05:44 UTCGHSA enrichment
- 2026-09-19 18:53 UTCEG score recompute
- 2026-09-19 18:53 UTCVendor advisory
- 2026-09-19 18:52 UTCGHSA enrichment
- 2026-09-19 08:02 UTCVendor advisory
- 2026-09-19 08:02 UTCGHSA enrichment
- 2026-09-18 21:10 UTCEG score recompute
- 2026-09-18 21:10 UTCVendor advisory
- 2026-09-18 21:10 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 13:53 UTCVendor advisory
- 2026-09-18 13:53 UTCGHSA enrichment
- 2026-09-18 10:03 UTCVendor advisory
- 2026-09-18 10:03 UTCGHSA enrichment
- 2026-09-17 23:12 UTCVendor advisory
- 2026-09-17 23:12 UTCGHSA enrichment
- 2026-09-17 19:59 UTCEG score recompute
- 2026-09-17 19:59 UTCVendor advisory
- 2026-09-17 19:59 UTCGHSA enrichment
- 2026-09-17 09:08 UTCVendor advisory
- 2026-09-17 09:08 UTCGHSA enrichment
- 2026-09-16 22:17 UTCVendor advisory
- 2026-09-16 22:17 UTCGHSA enrichment
- 2026-09-16 21:17 UTCEG score recompute
- 2026-09-16 21:17 UTCVendor advisory
- 2026-09-16 21:17 UTCGHSA enrichment
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 10:05 UTCEG score recompute
- 2026-09-16 10:05 UTCVendor advisory
- 2026-09-16 10:05 UTCGHSA enrichment
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 23:13 UTCVendor advisory
- 2026-09-15 23:12 UTCGHSA enrichment
- 2026-09-15 18:09 UTCVendor advisory
- 2026-09-15 18:09 UTCGHSA enrichment
- 2026-09-15 10:16 UTCEG score recompute
- 2026-09-15 10:16 UTCVendor advisory
- 2026-09-15 10:16 UTCGHSA enrichment
- 2026-09-14 23:23 UTCVendor advisory
- 2026-09-14 23:23 UTCGHSA enrichment
- 2026-09-14 17:25 UTCVendor advisory
- 2026-09-14 17:25 UTCGHSA enrichment
- 2026-09-14 16:14 UTCVendor advisory
- 2026-09-14 16:14 UTCGHSA enrichment
- 2026-09-14 05:23 UTCVendor advisory
- 2026-09-14 05:23 UTCGHSA enrichment
- 2026-09-13 18:32 UTCEG score recompute
- 2026-09-13 18:32 UTCVendor advisory
- 2026-09-13 18:32 UTCGHSA enrichment
- 2026-09-13 07:40 UTCVendor advisory
- 2026-09-13 07:40 UTCGHSA enrichment
- 2026-09-12 20:50 UTCEG score recompute
- 2026-09-12 20:50 UTCVendor advisory
- 2026-09-12 20:50 UTCGHSA enrichment
- 2026-09-12 09:59 UTCVendor advisory
- 2026-09-12 09:59 UTCGHSA enrichment
- 2026-09-11 23:07 UTCVendor advisory
- 2026-09-11 23:07 UTCGHSA enrichment
- 2026-09-11 19:47 UTCVendor advisory
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Frequently asked(5)
What is CVE-2026-69553?
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What is the CVSS score of CVE-2026-69553?
How do I remediate CVE-2026-69553?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-69553
Is Your Infrastructure Affected by CVE-2026-69553?
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