CVE-2015-1642

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), 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 — 4 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: 53%CVSS: 7.8Exploit: cisa kev · ssvc active · epss top5pct · epss highExposed: 0

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

Microsoft Office 2007 SP3, 2010 SP2, and 2013 SP1 allows remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability."

CVSS v3
7.8
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
53%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

August 15, 2015

Last Modified

April 22, 2026

Advisory Details (4)

Auto-updated May 19, 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-2015-1642
generic

A global provider of domain name registry services and internet infrastructure | Verisign

https://www.verisign.com/en_US/security-services/security-intelligence/vulnerability-reports/articles/index.xhtml?id=1203
generic

Microsoft Security Bulletin MS15-081 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-081
generic
http://www.securitytracker.com/id/1033239

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 53× in last 7d / 220× 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 820 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2015-1642?
CVE-2015-1642 is a critical vulnerability published on August 15, 2015. Microsoft Office 2007 SP3, 2010 SP2, and 2013 SP1 allows remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability."
When was CVE-2015-1642 disclosed?
CVE-2015-1642 was first published in the National Vulnerability Database on August 15, 2015, 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-2015-1642 actively exploited?
Yes. CISA added CVE-2015-1642 to the Known Exploited Vulnerabilities catalog on March 3, 2022, affecting Microsoft Office. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2015-1642?
CVE-2015-1642 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-2015-1642?
CVE-2015-1642 affects Microsoft Office. 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-2015-1642?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-1642, 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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