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
14%
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 19× in last 7d / 102× 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 112 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 85.8% 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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