CVE-2026-70130

HIGHNVD 7.88.4▲
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-08-11. NVD baseline CVSS 7.8; sources differ by 0.6.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
8.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 7.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS v3
7.8
EG Score
8.4HIGHmedium confidence
EG Risk
38
EG Risk 38/100CISA SSVC

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
Severity84% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.3%
EPSS %ILE
24th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 11, 2026

Last Modified

September 29, 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-2026-70130

Vendor Advisories for CVE-2026-70130(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 31× in last 7d / 152× 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 382 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-70130?
CVE-2026-70130 is a high vulnerability published on August 11, 2026. Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
When was CVE-2026-70130 disclosed?
CVE-2026-70130 was first published on August 11, 2026, with the most recent update on September 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-70130 actively exploited?
CVE-2026-70130 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (24th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-70130?
CVE-2026-70130 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.4 (HIGH).
How do I remediate CVE-2026-70130?
A fix for CVE-2026-70130 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-70130 are linked in the Vendor Advisories panel on this page.

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