CVE-2026-12703

HIGHPre-NVD 8.08.0—
EchelonGraph scoreMEDIUM confidence

Score 8.0 from GitHub Security Advisory (severity: HIGH) published 2026-07-29. a secondary CVSS source baseline 8.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.0Exploit: None knownExposed: 0

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

TeamViewer Full Client and Host for macOS before version 15.80 contain a business logic error that can allow an authenticated attacker to bypass a configured 2FA for Connections approval flow via Unattended Access and establish a remote connection to an affected macOS host.

CVSS v3
8.0
EG Score
8.0(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: 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
Severity80% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

July 29, 2026

Last Modified

July 30, 2026

Advisory Details (1)

Auto-updated Jul 29, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

TV-2026-1007

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1007/

Vendor Advisories for CVE-2026-12703(1)

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 20× in last 7d / 86× 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 170 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-12703?
CVE-2026-12703 is a high vulnerability published on July 29, 2026. TeamViewer Full Client and Host for macOS before version 15.80 contain a business logic error that can allow an authenticated attacker to bypass a configured 2FA for Connections approval flow via Unattended Access and establish a remote connection to an affected macOS host.
When was CVE-2026-12703 disclosed?
CVE-2026-12703 was first published in the National Vulnerability Database on July 29, 2026, with the most recent update on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12703 actively exploited?
CVE-2026-12703 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 85.3% of all scored CVEs.
What is the CVSS score of CVE-2026-12703?
CVE-2026-12703 has a CVSS v3 base score of 8.0 (NVD).
How do I remediate CVE-2026-12703?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12703, 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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