Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
CVE-2026-57090
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.8%, top 47% 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
- 9.8
- EG Score
- 9.8(medium)
- EG Risk
- 44(Track)EG Risk 44/100SSVC: 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 computedSeverity98% × 45%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 53%
- KEV
- Not listed
Published
July 14, 2026
Last Modified
July 26, 2026
Advisory Details (1)
Auto-updated Jul 26, 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-2026-57090Vendor Advisories for CVE-2026-57090(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 24× in last 7d / 48× 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.
- 2026-07-26 21:56 UTCVendor advisory
- 2026-07-26 21:56 UTCGHSA enrichment
- 2026-07-26 17:50 UTCVendor advisory
- 2026-07-26 17:50 UTCGHSA enrichment
- 2026-07-26 15:51 UTCEG score recompute
- 2026-07-26 15:51 UTCVendor advisory
- 2026-07-26 15:50 UTCGHSA enrichment
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 11:44 UTCEG score recompute
- 2026-07-26 11:44 UTCVendor advisory
- 2026-07-26 11:44 UTCGHSA enrichment
- 2026-07-26 04:44 UTCEG score recompute
- 2026-07-26 04:44 UTCVendor advisory
- 2026-07-26 04:43 UTCGHSA enrichment
- 2026-07-25 14:18 UTCEPSS rescore
- 2026-07-25 14:18 UTCEPSS rescore
- 2026-07-24 14:18 UTCEPSS rescore
- 2026-07-24 14:18 UTCEPSS rescore
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 03:20 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-21 15:25 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 14:31 UTCEPSS rescore
Show 23 moreShow fewer
- 2026-07-19 14:31 UTCEPSS rescore
- 2026-07-19 02:48 UTCEG score recompute▲ 1.00
- 2026-07-19 02:48 UTCVendor advisory
- 2026-07-19 02:48 UTCGHSA enrichment
- 2026-07-19 02:29 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-17 16:00 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
- 2026-07-17 06:42 UTCVendor advisory
- 2026-07-17 06:42 UTCGHSA enrichment
- 2026-07-16 18:31 UTCVendor advisory
- 2026-07-16 18:31 UTCGHSA enrichment
- 2026-07-16 17:03 UTCEPSS rescore
- 2026-07-16 06:19 UTCVendor advisory
- 2026-07-16 06:19 UTCGHSA enrichment
- 2026-07-15 18:07 UTCVendor advisory
- 2026-07-15 18:06 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 05:54 UTCVendor advisory
- 2026-07-15 05:54 UTCGHSA enrichment
- 2026-07-14 17:42 UTCEG score recompute
- 2026-07-14 17:42 UTCVendor advisory
- 2026-07-14 17:40 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-57090?
When was CVE-2026-57090 disclosed?
Is CVE-2026-57090 actively exploited?
What is the CVSS score of CVE-2026-57090?
How do I remediate CVE-2026-57090?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-57090
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