CVE-2023-36563

CRITICALNVD 6.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-10-10), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 6.5 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: 21%CVSS: 6.5Exploit: 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 WordPad Information Disclosure Vulnerability

CVSS v3
6.5
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
21%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

October 10, 2023

Last Modified

October 28, 2025

Advisory Details (2)

Auto-updated Jun 12, 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-2023-36563
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36563

Weakness Classification(1)

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 95× in last 7d / 390× 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 1,501 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2023-36563?
CVE-2023-36563 is a critical vulnerability published on October 10, 2023. Microsoft WordPad Information Disclosure Vulnerability
When was CVE-2023-36563 disclosed?
CVE-2023-36563 was first published in the National Vulnerability Database on October 10, 2023, with the most recent update on October 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-36563 actively exploited?
Yes. CISA added CVE-2023-36563 to the Known Exploited Vulnerabilities catalog on October 10, 2023, affecting Microsoft WordPad. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-36563?
CVE-2023-36563 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-36563?
CVE-2023-36563 affects Microsoft WordPad. 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-2023-36563?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-36563, 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

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