CVE-2026-70348

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory published 2026-08-11. 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.

Improper link resolution before file access ('link following') in Windows Management Services allows an authorized attacker to deny service locally.

CVSS v3
5.5
EG Score
5.5(high)
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
36%
KEV
Not listed

Published

August 11, 2026

Last Modified

August 20, 2026

Advisory Details (1)

Auto-updated Aug 11, 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-2026-70348

Vendor Advisories for CVE-2026-70348(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 78× in last 7d / 114× 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 114 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-70348?
CVE-2026-70348 is a medium vulnerability published on August 11, 2026. Improper link resolution before file access ('link following') in Windows Management Services allows an authorized attacker to deny service locally.
When was CVE-2026-70348 disclosed?
CVE-2026-70348 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-70348 actively exploited?
CVE-2026-70348 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 64.3% of all scored CVEs.
What is the CVSS score of CVE-2026-70348?
CVE-2026-70348 has a CVSS v4.0 base score of 5.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-70348?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-70348, 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-2026-70348

Explore →

Is Your Infrastructure Affected by CVE-2026-70348?

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

Start Free Scan →Browse All CVEs