CVE-2023-21741
CVE-2023-21741 is a high-severity vulnerability in Microsoft 365 Apps with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Microsoft 365 Apps
- Published:
- Last modified:
Description
Microsoft Office Visio Information Disclosure Vulnerability
Frequently asked questions
- What is CVE-2023-21741?
- Microsoft Office Visio Information Disclosure Vulnerability
- How severe is CVE-2023-21741?
- CVE-2023-21741 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
- Is CVE-2023-21741 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21741?
- CVE-2023-21741 primarily affects Microsoft 365 Apps. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-21741?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-21741 published?
- CVE-2023-21741 was published on 2023-01-10 and last updated on 2026-06-17.
References
Affected products (5)
- cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
- cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visio:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visio:2016:*:*:*:*:*:*:*
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All CVEs affecting Microsoft 365 Apps →
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- CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…