How severe is CVE-2023-36761?

CVE-2023-36761 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-36761 being actively exploited?

Yes. CVE-2023-36761 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-09-12, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-36761?

CVE-2023-36761 primarily affects Microsoft 365 Apps. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-36761?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2023-36761 have an EU (EUVD) identifier?

Yes. CVE-2023-36761 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-40704. It is also flagged as exploited in the EUVD (since 2023-09-12).

When was CVE-2023-36761 published?

CVE-2023-36761 was published on 2023-09-12 and last updated on 2026-06-17.

CVE-2023-36761

CVE-2023-36761 is a medium-severity vulnerability in Microsoft 365 Apps with a CVSS 3.x base score of 6.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-09-12). The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2023-09-12)
EU (EUVD) id: EUVD-2023-40704
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2023-09-12)
Weakness: CWE-20
Affected product: Microsoft 365 Apps
Published: 2023-09-12
Last modified: 2026-06-17

Description

Microsoft Word Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2023-36761?: Microsoft Word Information Disclosure Vulnerability
How severe is CVE-2023-36761?: CVE-2023-36761 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-36761 being actively exploited?: Yes. CVE-2023-36761 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-09-12, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-36761?: CVE-2023-36761 primarily affects Microsoft 365 Apps. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-36761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-36761 have an EU (EUVD) identifier?: Yes. CVE-2023-36761 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-40704. It is also flagged as exploited in the EUVD (since 2023-09-12).
When was CVE-2023-36761 published?: CVE-2023-36761 was published on 2023-09-12 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:x64:*
cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:x86:*
cpe:2.3:a:microsoft:word:2013:sp1:*:*:rt:*:*:*
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x86:*

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