CVE-2016-3298

CRITICALNVD 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 33%CVSS: 6.5Exploit: cisa kev · ssvc active · epss top5pctExposed: 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 PROB
33%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

October 14, 2016

Last Modified

June 17, 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 100× in last 7d / 417× 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 1,614 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2016-3298?
CVE-2016-3298 is a critical 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 June 17, 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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