CVE-2023-21741 | Microsoft Office Visio Information Disclosure Vulnerability

Microsoft Office Visio Information Disclosure Vulnerability

Published: 2023-01-10 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-21741 is rated Moderate Risk (60.7/100): CVSS High severity, with high exploitation likelihood (EPSS 6.44%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-21741

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-13 6.04% 6.44% +0.40%
2 2026-04-07 4.26% 6.04% +1.78%
3 2026-03-22 4.26%

Full EPSS history (27 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-21741

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
2.8 4.2 [email protected]

Weakness enumeration for CVE-2023-21741

Affected software / configurations for CVE-2023-21741

Vendor Product Version Raw CPE
microsoft 365_apps cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
microsoft office 2019 cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
microsoft office_long_term_servicing_channel 2021 cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*
microsoft visio 2013 cpe:2.3:a:microsoft:visio:2013:sp1:*:*:*:*:*:*
microsoft visio 2016 cpe:2.3:a:microsoft:visio:2016:*:*:*:*:*:*:*

References for CVE-2023-21741

cvelogic Threat Intelligence