CVE-2026-62729

HIGHPre-NVD 7.07.0—
EchelonGraph scoreMEDIUM confidence

Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-08-11. the CNA's CVSS baseline 7.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
7.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.0Exploit: None knownExposed: 0

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

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

CVSS v3
7.0
EG Score
7.0(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity70% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

August 11, 2026

Last Modified

September 16, 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-2026-62729

Vendor Advisories for CVE-2026-62729(2)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 33× in last 7d / 170× 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 304 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-62729?
CVE-2026-62729 is a high vulnerability published on August 11, 2026. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
When was CVE-2026-62729 disclosed?
CVE-2026-62729 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-62729 actively exploited?
CVE-2026-62729 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 91.2% of all scored CVEs.
What is the CVSS score of CVE-2026-62729?
CVE-2026-62729 has a CVSS v4.0 base score of 7.0 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-62729?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-62729, 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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