CVE-2026-3196

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-06-19. a secondary CVSS source baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

A fix is available — apply it.

An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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 computed
Severity55% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

June 19, 2026

Last Modified

June 22, 2026

Advisory Details (2)

Auto-updated Jun 24, 2026
Patch available. Sources: redhat.
redhat

2443789 – (CVE-2026-3196) CVE-2026-3196 qemu-kvm: virtio-snd: integer overflow leading to unbounded memory allocation

https://bugzilla.redhat.com/show_bug.cgi?id=2443789
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-3196

Vendor Advisories for CVE-2026-3196(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuqemu-utils (1:10.1.0+ds-5ubuntu2.6) @ questing2026-07-26ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 12× in last 7d / 63× 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.

  1. 2026-07-27 18:42 UTCEG score recompute
  2. 2026-07-27 18:42 UTCVendor advisory
  3. 2026-07-27 18:42 UTCGHSA enrichment
  4. 2026-07-27 14:13 UTCEPSS rescore
  5. 2026-07-26 16:53 UTCEG score recompute
  6. 2026-07-26 16:53 UTCVendor advisory
  7. 2026-07-26 16:53 UTCGHSA enrichment
  8. 2026-07-26 14:54 UTCEPSS rescore
  9. 2026-07-26 14:54 UTCEPSS rescore
  10. 2026-07-24 14:17 UTCEPSS rescore
  11. 2026-07-24 14:17 UTCEPSS rescore
  12. 2026-07-23 03:08 UTCEG score recompute
  13. 2026-07-21 15:24 UTCEPSS rescore
  14. 2026-07-19 14:31 UTCEPSS rescore
  15. 2026-07-19 02:29 UTCEPSS rescore
  16. 2026-07-18 10:04 UTCEPSS rescore
  17. 2026-07-16 20:42 UTCVendor advisory
  18. 2026-07-16 20:42 UTCGHSA enrichment
  19. 2026-07-16 17:03 UTCEPSS rescore
  20. 2026-07-15 16:57 UTCEPSS rescore
  21. 2026-07-15 16:57 UTCEPSS rescore
  22. 2026-07-15 14:27 UTCVendor advisory
  23. 2026-07-15 14:26 UTCGHSA enrichment
  24. 2026-07-15 02:00 UTCEPSS rescore
  25. 2026-07-14 12:38 UTCVendor advisory
Show 58 more
  1. 2026-07-14 12:38 UTCGHSA enrichment
  2. 2026-07-13 22:30 UTCEPSS rescore
  3. 2026-07-13 10:50 UTCVendor advisory
  4. 2026-07-13 10:50 UTCGHSA enrichment
  5. 2026-07-13 06:13 UTCEPSS rescore
  6. 2026-07-13 06:13 UTCEPSS rescore
  7. 2026-07-12 08:57 UTCVendor advisory
  8. 2026-07-12 08:57 UTCGHSA enrichment
  9. 2026-07-12 05:46 UTCEPSS rescore
  10. 2026-07-11 07:10 UTCVendor advisory
  11. 2026-07-11 07:10 UTCGHSA enrichment
  12. 2026-07-10 05:23 UTCVendor advisory
  13. 2026-07-10 05:23 UTCGHSA enrichment
  14. 2026-07-09 19:10 UTCEPSS rescore
  15. 2026-07-09 03:26 UTCVendor advisory
  16. 2026-07-09 03:26 UTCGHSA enrichment
  17. 2026-07-08 01:25 UTCVendor advisory
  18. 2026-07-08 01:25 UTCGHSA enrichment
  19. 2026-07-07 13:46 UTCEPSS rescore
  20. 2026-07-06 23:39 UTCVendor advisory
  21. 2026-07-06 23:39 UTCGHSA enrichment
  22. 2026-07-05 21:52 UTCVendor advisory
  23. 2026-07-05 21:52 UTCGHSA enrichment
  24. 2026-07-05 02:30 UTCEPSS rescore
  25. 2026-07-04 20:05 UTCVendor advisory
  26. 2026-07-04 20:05 UTCGHSA enrichment
  27. 2026-07-04 06:31 UTCEPSS rescore
  28. 2026-07-03 18:18 UTCVendor advisory
  29. 2026-07-03 18:18 UTCGHSA enrichment
  30. 2026-07-02 16:31 UTCVendor advisory
  31. 2026-07-02 16:31 UTCGHSA enrichment
  32. 2026-07-01 15:06 UTCEPSS rescore
  33. 2026-07-01 14:44 UTCVendor advisory
  34. 2026-07-01 14:44 UTCGHSA enrichment
  35. 2026-06-30 23:22 UTCEPSS rescore
  36. 2026-06-30 12:56 UTCGHSA enrichment
  37. 2026-06-29 11:09 UTCVendor advisory
  38. 2026-06-29 11:09 UTCGHSA enrichment
  39. 2026-06-28 14:07 UTCEPSS rescore
  40. 2026-06-28 09:22 UTCVendor advisory
  41. 2026-06-28 09:21 UTCGHSA enrichment
  42. 2026-06-28 04:56 UTCEPSS rescore
  43. 2026-06-27 07:35 UTCVendor advisory
  44. 2026-06-27 07:35 UTCGHSA enrichment
  45. 2026-06-27 03:08 UTCEPSS rescore
  46. 2026-06-26 05:48 UTCVendor advisory
  47. 2026-06-26 05:48 UTCGHSA enrichment
  48. 2026-06-25 04:00 UTCVendor advisory
  49. 2026-06-25 04:00 UTCGHSA enrichment
  50. 2026-06-24 14:05 UTCEPSS rescore
  51. 2026-06-24 02:13 UTCVendor advisory
  52. 2026-06-24 02:13 UTCGHSA enrichment
  53. 2026-06-23 21:33 UTCEPSS rescore
  54. 2026-06-23 00:25 UTCGHSA enrichment
  55. 2026-06-21 22:37 UTCGHSA enrichment
  56. 2026-06-20 20:48 UTCGHSA enrichment
  57. 2026-06-19 19:01 UTCEG score recompute
  58. 2026-06-19 19:00 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-3196?
CVE-2026-3196 is a medium vulnerability published on June 19, 2026. An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.
When was CVE-2026-3196 disclosed?
CVE-2026-3196 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-3196 actively exploited?
CVE-2026-3196 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 95.9% of all scored CVEs.
What is the CVSS score of CVE-2026-3196?
CVE-2026-3196 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-3196?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3196, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-3196

Explore →

Is Your Infrastructure Affected by CVE-2026-3196?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs