CVE-2026-70317

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-08-11. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
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: 0.4%CVSS: 5.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS v3
5.5
EG Score
5.5MEDIUMmedium confidence
EG Risk
25
EG Risk 25/100CISA 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
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
35th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

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

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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-2026-70317

Vendor Advisories for CVE-2026-70317(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 22× in last 7d / 117× 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 302 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-70317?
CVE-2026-70317 is a medium vulnerability published on August 11, 2026. Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.
When was CVE-2026-70317 disclosed?
CVE-2026-70317 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-2026-70317 actively exploited?
CVE-2026-70317 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (35th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-70317?
CVE-2026-70317 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-70317?
A fix for CVE-2026-70317 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-70317 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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