CVE-2023-23396: microsoft microsoft office online server Uncontrolled Resource Consumption
CVSS: 6.5v3.1MediumModified
Published 14-03-2023Last modified 28-02-2025
Vulnerability summary
CVE-2023-23396 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in microsoft microsoft office online server. EPSS estimates a 3.83% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
3.83%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-03-2023PublishedVulnerability first disclosed.
- 28-02-2025Last modifiedVulnerability information updated.
Description
Microsoft Excel Denial of Service Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
3.83%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.83% on 20-09-2026
20-09-202620-10-2026
EPSS score3.83%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- microsoft office online server≥ 16.0.1, < 16.0.10396.20000
- microsoft office web apps server 2013 service pack 1≥ 15.0.1, < 15.0.5537.1000
- office online serverna
- office_web_apps_server2013:sp1
1 vendor · 4 products