CVE-2026-34349

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-07-14. the CNA's CVSS baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
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

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

July 14, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Jul 15, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security 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-2026-34349

Vendor Advisories for CVE-2026-34349(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 27× in last 7d / 115× 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 174 total refreshes for this CVE.

  1. 2026-08-30 05:18 UTCEG score recompute
  2. 2026-08-30 05:18 UTCVendor advisory
  3. 2026-08-30 05:18 UTCGHSA enrichment
  4. 2026-08-30 01:22 UTCEPSS rescore
  5. 2026-08-28 23:40 UTCEG score recompute
  6. 2026-08-28 23:40 UTCVendor advisory
  7. 2026-08-28 23:39 UTCGHSA enrichment
  8. 2026-08-28 21:41 UTCEPSS rescore
  9. 2026-08-28 02:40 UTCEG score recompute
  10. 2026-08-28 02:40 UTCVendor advisory
  11. 2026-08-28 02:40 UTCGHSA enrichment
  12. 2026-08-27 14:25 UTCEPSS rescore
  13. 2026-08-27 02:11 UTCEG score recompute
  14. 2026-08-27 02:11 UTCVendor advisory
  15. 2026-08-27 02:11 UTCGHSA enrichment
  16. 2026-08-26 14:46 UTCEPSS rescore
  17. 2026-08-26 01:41 UTCEG score recompute
  18. 2026-08-26 01:41 UTCVendor advisory
  19. 2026-08-26 01:41 UTCGHSA enrichment
  20. 2026-08-25 13:49 UTCEPSS rescore
  21. 2026-08-24 21:27 UTCVendor advisory
  22. 2026-08-24 21:27 UTCGHSA enrichment
  23. 2026-08-24 19:48 UTCEG score recompute
  24. 2026-08-24 19:48 UTCVendor advisory
  25. 2026-08-24 19:48 UTCGHSA enrichment
Show 75 more
  1. 2026-08-23 18:44 UTCVendor advisory
  2. 2026-08-23 18:44 UTCGHSA enrichment
  3. 2026-08-22 18:15 UTCEG score recompute
  4. 2026-08-22 18:15 UTCVendor advisory
  5. 2026-08-22 18:14 UTCGHSA enrichment
  6. 2026-08-21 23:49 UTCEPSS rescore
  7. 2026-08-21 17:43 UTCEG score recompute
  8. 2026-08-21 17:43 UTCGHSA enrichment
  9. 2026-08-20 22:55 UTCEPSS rescore
  10. 2026-08-20 22:55 UTCEPSS rescore
  11. 2026-08-20 17:13 UTCVendor advisory
  12. 2026-08-20 17:13 UTCGHSA enrichment
  13. 2026-08-19 17:13 UTCEG score recompute
  14. 2026-08-19 17:13 UTCVendor advisory
  15. 2026-08-19 17:12 UTCGHSA enrichment
  16. 2026-08-19 17:03 UTCEPSS rescore
  17. 2026-08-19 15:55 UTCVendor advisory
  18. 2026-08-19 15:55 UTCGHSA enrichment
  19. 2026-08-18 17:47 UTCVendor advisory
  20. 2026-08-18 17:47 UTCGHSA enrichment
  21. 2026-08-18 16:58 UTCEG score recompute
  22. 2026-08-18 16:58 UTCVendor advisory
  23. 2026-08-18 16:57 UTCGHSA enrichment
  24. 2026-08-18 13:48 UTCEPSS rescore
  25. 2026-08-17 17:59 UTCEG score recompute
  26. 2026-08-17 17:59 UTCVendor advisory
  27. 2026-08-17 17:59 UTCGHSA enrichment
  28. 2026-08-17 13:47 UTCEPSS rescore
  29. 2026-08-16 18:19 UTCEG score recompute
  30. 2026-08-16 18:19 UTCVendor advisory
  31. 2026-08-16 18:19 UTCGHSA enrichment
  32. 2026-08-16 14:56 UTCEPSS rescore
  33. 2026-08-16 02:14 UTCEPSS rescore
  34. 2026-08-15 17:50 UTCEG score recompute
  35. 2026-08-15 17:50 UTCVendor advisory
  36. 2026-08-15 17:50 UTCGHSA enrichment
  37. 2026-08-15 01:30 UTCEPSS rescore
  38. 2026-08-14 17:20 UTCEG score recompute
  39. 2026-08-14 17:20 UTCVendor advisory
  40. 2026-08-14 17:20 UTCGHSA enrichment
  41. 2026-08-13 22:00 UTCEPSS rescore
  42. 2026-08-13 19:26 UTCEG score recompute
  43. 2026-08-13 19:26 UTCVendor advisory
  44. 2026-08-13 19:26 UTCGHSA enrichment
  45. 2026-08-12 18:53 UTCEG score recompute
  46. 2026-08-12 18:53 UTCVendor advisory
  47. 2026-08-12 18:53 UTCGHSA enrichment
  48. 2026-08-12 13:50 UTCEPSS rescore
  49. 2026-08-11 18:24 UTCEG score recompute
  50. 2026-08-11 18:24 UTCVendor advisory
  51. 2026-08-11 18:24 UTCGHSA enrichment
  52. 2026-08-11 00:00 UTCEPSS rescore
  53. 2026-08-10 17:53 UTCGHSA enrichment
  54. 2026-08-09 19:36 UTCEG score recompute
  55. 2026-08-09 19:36 UTCGHSA enrichment
  56. 2026-08-09 13:46 UTCEPSS rescore
  57. 2026-08-08 19:07 UTCEG score recompute
  58. 2026-08-08 19:07 UTCVendor advisory
  59. 2026-08-08 19:07 UTCGHSA enrichment
  60. 2026-08-08 16:37 UTCEPSS rescore
  61. 2026-08-07 18:37 UTCEG score recompute
  62. 2026-08-07 18:37 UTCGHSA enrichment
  63. 2026-08-06 22:44 UTCEG score recompute
  64. 2026-08-06 22:44 UTCVendor advisory
  65. 2026-08-06 22:44 UTCGHSA enrichment
  66. 2026-08-06 13:46 UTCEPSS rescore
  67. 2026-08-06 00:27 UTCEG score recompute
  68. 2026-08-06 00:27 UTCVendor advisory
  69. 2026-08-06 00:27 UTCGHSA enrichment
  70. 2026-08-05 19:17 UTCEPSS rescore
  71. 2026-08-04 23:58 UTCEG score recompute
  72. 2026-08-04 23:58 UTCVendor advisory
  73. 2026-08-04 23:58 UTCGHSA enrichment
  74. 2026-08-04 15:10 UTCEPSS rescore
  75. 2026-08-04 10:38 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-34349?
CVE-2026-34349 is a medium vulnerability published on July 14, 2026. Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.
When was CVE-2026-34349 disclosed?
CVE-2026-34349 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34349 actively exploited?
CVE-2026-34349 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 60.7% of all scored CVEs.
What is the CVSS score of CVE-2026-34349?
CVE-2026-34349 has a CVSS v4.0 base score of 5.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-34349?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34349, 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

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