CVE-2026-69402

HIGHNVD 5.47.3▲
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. NVD baseline CVSS 5.4; sources differ by 1.9.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
7.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 5.4Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS v3
5.4
EG Score
7.3HIGHmedium confidence
EG Risk
33
EG Risk 33/100CISA 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
Severity73% × 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
0.4%
EPSS %ILE
36th
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

September 8, 2026

Last Modified

October 1, 2026

Advisory Details (1)

Auto-updated Sep 8, 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-2026-69402

Vendor Advisories for CVE-2026-69402(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 48× in last 7d / 195× 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 195 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-69402?
CVE-2026-69402 is a high vulnerability published on September 8, 2026. Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
When was CVE-2026-69402 disclosed?
CVE-2026-69402 was first published on September 8, 2026, with the most recent update on October 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-69402 actively exploited?
CVE-2026-69402 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (36th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-69402?
CVE-2026-69402 has a CVSS v3 base score of 5.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.3 (HIGH).
How do I remediate CVE-2026-69402?
A fix for CVE-2026-69402 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-69402 are linked in the Vendor Advisories panel on this page.

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