CVE-2026-48560

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-06-09. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.4Exploit: None knownExposed: 0

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

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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
Severity54% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
58%
KEV
Not listed

Published

June 9, 2026

Last Modified

August 25, 2026

Advisory Details (1)

Auto-updated Jun 16, 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-2026-48560

Vendor Advisories for CVE-2026-48560(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 93× 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 228 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-48560?
CVE-2026-48560 is a medium vulnerability published on June 9, 2026. Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
When was CVE-2026-48560 disclosed?
CVE-2026-48560 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on August 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48560 actively exploited?
CVE-2026-48560 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 42.2% of all scored CVEs.
What is the CVSS score of CVE-2026-48560?
CVE-2026-48560 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-48560?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48560, 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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