CVE-2015-1641

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 2021-11-03), 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: 97%CVSS: 7.8Exploit: NoneExposed: 0

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

Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word for Mac 2011, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 SP1, and Office Web Apps Server 2010 SP2 and 2013 SP1 allow remote attackers to execute arbitrary code via a crafted RTF 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
99.9%
KEV
⚠ Exploited

Published

April 14, 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-2015-1641
generic

Microsoft Security Bulletin MS15-033 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-033

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 49× in last 7d / 207× 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 395 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 21:52 UTCEG score recompute
  4. 2026-07-22 21:52 UTCGHSA enrichment
  5. 2026-07-22 19:40 UTCCISA KEV update
  6. 2026-07-22 17:21 UTCGHSA enrichment
  7. 2026-07-22 13:21 UTCGHSA enrichment
  8. 2026-07-22 09:22 UTCGHSA enrichment
  9. 2026-07-22 05:24 UTCGHSA enrichment
  10. 2026-07-22 01:16 UTCGHSA enrichment
  11. 2026-07-21 18:47 UTCGHSA enrichment
  12. 2026-07-21 14:46 UTCGHSA enrichment
  13. 2026-07-21 14:37 UTCCISA KEV update
  14. 2026-07-21 10:47 UTCGHSA enrichment
  15. 2026-07-21 06:46 UTCGHSA enrichment
  16. 2026-07-21 02:48 UTCGHSA enrichment
  17. 2026-07-20 22:50 UTCGHSA enrichment
  18. 2026-07-20 18:52 UTCEG score recompute
  19. 2026-07-20 18:51 UTCGHSA enrichment
  20. 2026-07-20 17:03 UTCEPSS rescore
  21. 2026-07-20 14:54 UTCGHSA enrichment
  22. 2026-07-20 10:50 UTCGHSA enrichment
  23. 2026-07-20 06:53 UTCGHSA enrichment
  24. 2026-07-20 02:49 UTCGHSA enrichment
  25. 2026-07-19 22:51 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 18:53 UTCGHSA enrichment
  2. 2026-07-19 14:55 UTCGHSA enrichment
  3. 2026-07-19 10:58 UTCGHSA enrichment
  4. 2026-07-19 07:00 UTCGHSA enrichment
  5. 2026-07-19 03:02 UTCGHSA enrichment
  6. 2026-07-18 23:04 UTCGHSA enrichment
  7. 2026-07-18 19:05 UTCGHSA enrichment
  8. 2026-07-18 15:07 UTCGHSA enrichment
  9. 2026-07-18 11:08 UTCGHSA enrichment
  10. 2026-07-18 07:10 UTCGHSA enrichment
  11. 2026-07-18 03:12 UTCGHSA enrichment
  12. 2026-07-17 23:14 UTCGHSA enrichment
  13. 2026-07-17 19:15 UTCGHSA enrichment
  14. 2026-07-17 15:17 UTCGHSA enrichment
  15. 2026-07-17 11:19 UTCGHSA enrichment
  16. 2026-07-17 07:21 UTCEG score recompute
  17. 2026-07-17 07:21 UTCGHSA enrichment
  18. 2026-07-17 03:24 UTCGHSA enrichment
  19. 2026-07-16 23:25 UTCGHSA enrichment
  20. 2026-07-16 19:27 UTCGHSA enrichment
  21. 2026-07-16 17:04 UTCCISA KEV update
  22. 2026-07-16 15:27 UTCGHSA enrichment
  23. 2026-07-16 11:29 UTCGHSA enrichment
  24. 2026-07-16 07:31 UTCGHSA enrichment
  25. 2026-07-16 03:33 UTCGHSA enrichment
  26. 2026-07-15 23:35 UTCGHSA enrichment
  27. 2026-07-15 19:37 UTCGHSA enrichment
  28. 2026-07-15 16:49 UTCCISA KEV update
  29. 2026-07-15 15:39 UTCGHSA enrichment
  30. 2026-07-15 15:04 UTCCISA KEV update
  31. 2026-07-15 11:40 UTCGHSA enrichment
  32. 2026-07-15 07:43 UTCGHSA enrichment
  33. 2026-07-15 03:44 UTCGHSA enrichment
  34. 2026-07-14 23:47 UTCGHSA enrichment
  35. 2026-07-14 19:49 UTCGHSA enrichment
  36. 2026-07-14 18:05 UTCCISA KEV update
  37. 2026-07-14 15:50 UTCGHSA enrichment
  38. 2026-07-14 11:52 UTCGHSA enrichment
  39. 2026-07-14 07:54 UTCGHSA enrichment
  40. 2026-07-14 03:55 UTCGHSA enrichment
  41. 2026-07-13 23:57 UTCGHSA enrichment
  42. 2026-07-13 19:59 UTCGHSA enrichment
  43. 2026-07-13 17:07 UTCCISA KEV update
  44. 2026-07-13 16:01 UTCGHSA enrichment
  45. 2026-07-13 12:02 UTCGHSA enrichment
  46. 2026-07-13 08:04 UTCGHSA enrichment
  47. 2026-07-13 04:04 UTCGHSA enrichment
  48. 2026-07-13 00:05 UTCGHSA enrichment
  49. 2026-07-12 20:07 UTCGHSA enrichment
  50. 2026-07-12 16:09 UTCGHSA enrichment
  51. 2026-07-12 12:10 UTCGHSA enrichment
  52. 2026-07-12 08:12 UTCGHSA enrichment
  53. 2026-07-12 04:14 UTCGHSA enrichment
  54. 2026-07-12 00:13 UTCGHSA enrichment
  55. 2026-07-11 20:14 UTCGHSA enrichment
  56. 2026-07-11 16:17 UTCGHSA enrichment
  57. 2026-07-11 12:19 UTCGHSA enrichment
  58. 2026-07-11 08:23 UTCEPSS rescore
  59. 2026-07-11 08:21 UTCGHSA enrichment
  60. 2026-07-11 04:23 UTCGHSA enrichment
  61. 2026-07-11 00:25 UTCGHSA enrichment
  62. 2026-07-10 20:27 UTCGHSA enrichment
  63. 2026-07-10 17:52 UTCCISA KEV update
  64. 2026-07-10 16:29 UTCGHSA enrichment
  65. 2026-07-10 12:30 UTCGHSA enrichment
  66. 2026-07-10 08:29 UTCGHSA enrichment
  67. 2026-07-10 04:31 UTCGHSA enrichment
  68. 2026-07-10 00:34 UTCGHSA enrichment
  69. 2026-07-09 20:34 UTCGHSA enrichment
  70. 2026-07-09 16:36 UTCGHSA enrichment
  71. 2026-07-09 12:36 UTCGHSA enrichment
  72. 2026-07-09 08:38 UTCGHSA enrichment
  73. 2026-07-09 04:41 UTCGHSA enrichment
  74. 2026-07-09 00:42 UTCGHSA enrichment
  75. 2026-07-08 20:43 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCCyberclues/rtf_exploit_extractor
    First seen Oct 27, 2015

    Script to extract malicious payload and decoy document from CVE-2015-1641 exploit documents

    Open source ↗

Frequently asked(6)

What is CVE-2015-1641?
CVE-2015-1641 is a high vulnerability published on April 14, 2015. Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word for Mac 2011, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 SP1, and Office Web Apps Server 2010 SP2 and 2013 SP1 allow remote attackers to execute…
When was CVE-2015-1641 disclosed?
CVE-2015-1641 was first published in the National Vulnerability Database on April 14, 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-2015-1641 actively exploited?
Yes. CISA added CVE-2015-1641 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Microsoft Office. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2015-1641?
CVE-2015-1641 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-2015-1641?
CVE-2015-1641 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-2015-1641?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-1641, 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-2015-1641

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