CVE-2016-3298

MEDIUMNVD 6.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 6.5 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
6.5
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 23%CVSS: 6.5Exploit: NoneExposed: 0

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

Microsoft Internet Explorer 9 through 11 and the Internet Messaging API in Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allow remote attackers to determine the existence of arbitrary files via a crafted web site, aka "Internet Explorer Information Disclosure Vulnerability."

CVSS v3
6.5
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
97.6%
KEV
⚠ Exploited

Published

October 14, 2016

Last Modified

April 22, 2026

Advisory Details (5)

Auto-updated May 20, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: 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-2016-3298
generic

Microsoft Security Bulletin MS16-126 - Moderate | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-126
generic

Microsoft Security Bulletin MS16-118 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-118
generic
http://www.securitytracker.com/id/1036992
generic
http://www.securityfocus.com/bid/93392

Weakness Classification(1)

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

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 65× in last 7d / 378× 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 758 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2016-3298?
CVE-2016-3298 is a medium vulnerability published on October 14, 2016. Microsoft Internet Explorer 9 through 11 and the Internet Messaging API in Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allow remote attackers to determine the existence of arbitrary files via a crafted web site, aka "Internet Explorer Information Disclosure…
When was CVE-2016-3298 disclosed?
CVE-2016-3298 was first published in the National Vulnerability Database on October 14, 2016, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-3298 actively exploited?
Yes. CISA added CVE-2016-3298 to the Known Exploited Vulnerabilities catalog on May 24, 2022, affecting Microsoft Internet Explorer. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2016-3298?
CVE-2016-3298 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2016-3298?
CVE-2016-3298 affects Microsoft Internet Explorer. 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-2016-3298?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-3298, 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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