CVE-2023-36761 (GCVE-0-2023-36761)

Vulnerability from cvelistv5 – Published: 2023-09-12 16:58 – Updated: 2025-10-30 18:18
Title
Microsoft Word Information Disclosure Vulnerability
Summary
Microsoft Word Information Disclosure Vulnerability
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft Office 2019 Affected: 19.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Word 2016 Affected: 16.0.1 , < 16.0.5413.1000 (custom)
Create a notification for this product.
Microsoft Microsoft Word 2013 Service Pack 1 Affected: 15.0.1 , < 15.0.5589.1001 (custom)
Create a notification for this product.
Date Public
2023-09-12 07:00
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2023-36761

Status: Confirmed

Status Updated: 2023-09-12 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2023-09-12
Asserted: 2023-09-12

Scope
Notes: KEV entry: Microsoft Word Information Disclosure Vulnerability | Affected: Microsoft / Word | Description: Microsoft Word contains an unspecified vulnerability that allows for information disclosure. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-10-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36761; https://nvd.nist.gov/vuln/detail/CVE-2023-36761

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-668
Feed CISA Known Exploited Vulnerabilities Catalog
Product Word
Due Date 2023-10-03
Date Added 2023-09-12
Vendorproject Microsoft
Vulnerabilityname Microsoft Word Information Disclosure Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
KEVintel KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2023-36761

Status: Confirmed

Status Updated: 2023-09-12 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2023-09-12
Asserted: 2023-09-12

Scope
Notes: KEVIntel entry: Microsoft Word Information Disclosure Vulnerability | Affected: Microsoft / Microsoft Office 2019, Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Word 2016, Microsoft Word 2013 Service Pack 1 | CVSS: 6.5 (MEDIUM) | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title Microsoft Word Information Disclosure Vulnerability
Vendor Microsoft
Product Microsoft Office 2019, Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Word 2016, Microsoft Word 2013 Service Pack 1
Added Date 2023-09-12T00:00:00.000Z
Cvss Score 6.5
Epss Score None
Cvss Severity MEDIUM
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-06-19 12:46 UTC | Updated: 2026-06-19 12:46 UTC
Show details on NVD website

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}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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