Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-49167
This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 72% 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
- 7.8
- EG Score
- 7.8(medium)
- EG Risk
- 35(Track)EG Risk 35/100SSVC: 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 computedSeverity78% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 28%
- KEV
- Not listed
Published
July 14, 2026
Last Modified
August 28, 2026
Advisory Details (1)
Auto-updated Jul 15, 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-2026-49167Vendor Advisories for CVE-2026-49167(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 33× in last 7d / 167× 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 235 total refreshes for this CVE.
- 2026-08-30 05:17 UTCEG score recompute
- 2026-08-30 05:17 UTCVendor advisory
- 2026-08-30 05:17 UTCGHSA enrichment
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-28 23:38 UTCEG score recompute
- 2026-08-28 23:38 UTCVendor advisory
- 2026-08-28 23:37 UTCGHSA enrichment
- 2026-08-28 21:41 UTCEPSS rescore
- 2026-08-27 21:33 UTCEG score recompute
- 2026-08-27 21:33 UTCVendor advisory
- 2026-08-27 21:33 UTCGHSA enrichment
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 02:15 UTCEG score recompute
- 2026-08-27 02:15 UTCVendor advisory
- 2026-08-27 02:15 UTCGHSA enrichment
- 2026-08-26 14:46 UTCEPSS rescore
- 2026-08-26 13:58 UTCVendor advisory
- 2026-08-26 13:58 UTCGHSA enrichment
- 2026-08-26 01:40 UTCEG score recompute
- 2026-08-26 01:40 UTCVendor advisory
- 2026-08-26 01:40 UTCGHSA enrichment
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-25 09:45 UTCVendor advisory
- 2026-08-25 09:45 UTCGHSA enrichment
- 2026-08-24 21:26 UTCVendor advisory
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- 2026-08-24 21:26 UTCGHSA enrichment
- 2026-08-24 20:32 UTCEG score recompute
- 2026-08-24 20:32 UTCVendor advisory
- 2026-08-24 20:32 UTCGHSA enrichment
- 2026-08-24 08:07 UTCVendor advisory
- 2026-08-24 08:07 UTCGHSA enrichment
- 2026-08-23 18:59 UTCVendor advisory
- 2026-08-23 18:59 UTCGHSA enrichment
- 2026-08-23 06:42 UTCEG score recompute
- 2026-08-23 06:42 UTCVendor advisory
- 2026-08-23 06:42 UTCGHSA enrichment
- 2026-08-23 00:19 UTCEPSS rescore
- 2026-08-22 18:24 UTCVendor advisory
- 2026-08-22 18:24 UTCGHSA enrichment
- 2026-08-22 06:06 UTCEG score recompute
- 2026-08-22 06:06 UTCVendor advisory
- 2026-08-22 06:06 UTCGHSA enrichment
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 17:48 UTCGHSA enrichment
- 2026-08-21 05:31 UTCEG score recompute
- 2026-08-21 05:31 UTCVendor advisory
- 2026-08-21 05:31 UTCGHSA enrichment
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 17:13 UTCVendor advisory
- 2026-08-20 17:13 UTCGHSA enrichment
- 2026-08-20 05:30 UTCGHSA enrichment
- 2026-08-19 17:12 UTCEG score recompute
- 2026-08-19 17:12 UTCVendor advisory
- 2026-08-19 17:12 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 15:55 UTCVendor advisory
- 2026-08-19 15:55 UTCGHSA enrichment
- 2026-08-19 06:54 UTCVendor advisory
- 2026-08-19 06:54 UTCGHSA enrichment
- 2026-08-18 17:47 UTCVendor advisory
- 2026-08-18 17:47 UTCGHSA enrichment
- 2026-08-18 16:57 UTCEG score recompute
- 2026-08-18 16:57 UTCVendor advisory
- 2026-08-18 16:57 UTCGHSA enrichment
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 06:17 UTCGHSA enrichment
- 2026-08-17 17:59 UTCEG score recompute
- 2026-08-17 17:59 UTCVendor advisory
- 2026-08-17 17:59 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 06:48 UTCVendor advisory
- 2026-08-17 06:48 UTCGHSA enrichment
- 2026-08-16 18:31 UTCEG score recompute
- 2026-08-16 18:31 UTCVendor advisory
- 2026-08-16 18:31 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 06:13 UTCEG score recompute
- 2026-08-16 06:13 UTCVendor advisory
- 2026-08-16 06:13 UTCGHSA enrichment
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-15 17:56 UTCVendor advisory
- 2026-08-15 17:56 UTCGHSA enrichment
- 2026-08-15 05:38 UTCEG score recompute
- 2026-08-15 05:38 UTCVendor advisory
- 2026-08-15 05:38 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 17:20 UTCVendor advisory
- 2026-08-14 17:20 UTCGHSA enrichment
- 2026-08-14 08:02 UTCEG score recompute
- 2026-08-14 08:02 UTCVendor advisory
- 2026-08-14 08:02 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 19:44 UTCVendor advisory
- 2026-08-13 19:44 UTCGHSA enrichment
- 2026-08-13 07:27 UTCVendor advisory
- 2026-08-13 07:27 UTCGHSA enrichment
- 2026-08-12 19:04 UTCEG score recompute
- 2026-08-12 19:04 UTCVendor advisory
- 2026-08-12 19:04 UTCGHSA enrichment
- 2026-08-12 13:51 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2026-49167?
When was CVE-2026-49167 disclosed?
Is CVE-2026-49167 actively exploited?
What is the CVSS score of CVE-2026-49167?
How do I remediate CVE-2026-49167?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-49167
Is Your Infrastructure Affected by CVE-2026-49167?
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