CVE-2015-2545

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: 80%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, 2013 SP1, and 2013 RT SP1 allows remote attackers to execute arbitrary code via a crafted EPS image, aka "Microsoft Office Malformed EPS File 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
99.6%
KEV
⚠ Exploited

Published

September 9, 2015

Last Modified

April 22, 2026

Advisory Details (3)

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-2015-2545
generic

Microsoft Security Bulletin MS15-099 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-099
generic
http://www.securitytracker.com/id/1033488

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 40× in last 7d / 192× 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 383 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2015-2545?
CVE-2015-2545 is a high vulnerability published on September 9, 2015. Microsoft Office 2007 SP3, 2010 SP2, 2013 SP1, and 2013 RT SP1 allows remote attackers to execute arbitrary code via a crafted EPS image, aka "Microsoft Office Malformed EPS File Vulnerability."
When was CVE-2015-2545 disclosed?
CVE-2015-2545 was first published in the National Vulnerability Database on September 9, 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-2015-2545 actively exploited?
Yes. CISA added CVE-2015-2545 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-2015-2545?
CVE-2015-2545 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-2015-2545?
CVE-2015-2545 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-2015-2545?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-2545, 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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