CVE-2023-23396 json
Microsoft Excel Denial of Service Vulnerability
published 2023-03-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27496
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.8%
- EPSS 3.8% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
Microsoft Excel Denial of Service Vulnerability
Patch / fix
- Microsoft Microsoft Office Online Server 16.0.10396.20000
- Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.5537.1000
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
3.83% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Affected products
- Microsoft Microsoft Office Online Server
- Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-23396
vendor-advisory, patch
Sources
- CVE List CVE-2023-23396
- NVD CVE-2023-23396
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.