CVE-2015-1642

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 2022-03-03), 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
7.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 53%CVSS: 7.8Exploit: NoneExposed: 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
98.9%
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 56× in last 7d / 215× 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 409 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2015-1642?
CVE-2015-1642 is a high 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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