SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-36761

Microsoft Word Information Disclosure Vulnerability

KEVMEDIUM 6.5EPSS 19.0%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 October 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Microsoft Word Information Disclosure Vulnerability

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
18.96% probability · 97th percentile
CISA KEV
Listed 12 September 2023 · due 3 October 2023
Weakness
CWE-20
Affected
microsoft/365 apps · microsoft/office · microsoft/office long term servicing channel · microsoft/word
Source
secure@microsoft.com

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36761; https://nvd.nist.gov/vuln/detail/CVE-2023-36761

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.