CVE-2019-0880

HIGHNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
7.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 2%CVSS: 7.8Exploit: NoneExposed: 0

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

A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.

CVSS v3
7.8
EG Score
9.0(high)
EPSS
82.0%
KEV
⚠ Exploited

Published

July 15, 2019

Last Modified

October 29, 2025

Advisory Details (2)

Auto-updated Jun 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0880
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0880

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 146× in last 7d / 622× 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 781 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2019-0880?
CVE-2019-0880 is a high vulnerability published on July 15, 2019. A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.
When was CVE-2019-0880 disclosed?
CVE-2019-0880 was first published in the National Vulnerability Database on July 15, 2019, with the most recent update on October 29, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-0880 actively exploited?
Yes. CISA added CVE-2019-0880 to the Known Exploited Vulnerabilities catalog on May 23, 2022, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2019-0880?
CVE-2019-0880 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2019-0880?
CVE-2019-0880 affects Microsoft Windows. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2019-0880?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-0880, 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.

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