CVE-2017-0149

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 29%CVSS: 8.8Exploit: 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 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability." This vulnerability is different from those described in CVE-2017-0018 and CVE-2017-0037.

CVSS v3
8.8
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
29%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

March 17, 2017

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated May 2, 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-2017-0149
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-2017-0149
generic
http://www.securityfocus.com/bid/96724

Weakness Classification(2)

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 99× in last 7d / 409× 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 1,571 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2017-0149?
CVE-2017-0149 is a critical vulnerability published on March 17, 2017. Microsoft Internet Explorer 9 through 11 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability." This vulnerability is different from those described in CVE-2017-0018 and…
When was CVE-2017-0149 disclosed?
CVE-2017-0149 was first published in the National Vulnerability Database on March 17, 2017, 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-2017-0149 actively exploited?
Yes. CISA added CVE-2017-0149 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-2017-0149?
CVE-2017-0149 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2017-0149?
CVE-2017-0149 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-2017-0149?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-0149, 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-2017-0149

Explore →

Is Your Infrastructure Affected by CVE-2017-0149?

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

Book a Demo →Browse All CVEs