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 85× in last 7d / 351× 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 912 total refreshes for this CVE.

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

Related CVEs(same vendor + 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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