CVE-2026-45460

MEDIUMPre-NVD 4.74.7—
EchelonGraph scoreMEDIUM confidence

Score 4.7 from GitHub Security Advisory published 2026-06-09. the CNA's CVSS baseline 4.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
4.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.7Exploit: NoneExposed: 0

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

Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS v3
4.7
EG Score
4.7(medium)
EG Risk
21(Track)
EG Risk 21/100SSVC: 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
Severity47% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
28.2%
KEV
Not listed

Published

June 9, 2026

Last Modified

July 23, 2026

Advisory Details (1)

Auto-updated Jun 13, 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-2026-45460

Vendor Advisories for CVE-2026-45460(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 8× in last 7d / 68× 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 109 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-45460?
CVE-2026-45460 is a medium vulnerability published on June 9, 2026. Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.
When was CVE-2026-45460 disclosed?
CVE-2026-45460 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45460 actively exploited?
CVE-2026-45460 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-45460?
CVE-2026-45460 has a CVSS v3 base score of 4.7 (NVD).
How do I remediate CVE-2026-45460?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45460, 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

Explore the affected products and dependency analysis for CVE-2026-45460

Explore →

Is Your Infrastructure Affected by CVE-2026-45460?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs