CVE-2023-36899: microsoft microsoft .net framework 2.0 service pack 2 Improper Input Validation
CVSS: 8.8v3.1HighModified
Published 08-08-2023Last modified 10-08-2026
Vulnerability summary
CVE-2023-36899 is a high (CVSS 8.8) Improper Input Validation vulnerability in microsoft microsoft .net framework 2.0 service pack 2. EPSS estimates a 76.71% chance of exploitation in the next 30 days, higher than 99.5% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
76.71%
0%100%
Critical · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-08-2023PublishedVulnerability first disclosed.
- 10-08-2026Last modifiedVulnerability information updated.
Description
ASP.NET Elevation of Privilege Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:CSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
76.71%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
0.00 pp
From 76.71% on 19-09-2026
19-09-202619-10-2026
EPSS score76.71%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft10 products
- microsoft .net framework 2.0 service pack 2≥ 2.0.0, < 2.0.50727.8974
- microsoft .net framework 3.5 and 4.6.2≥ 4.7.0, < 10.0.10240.20107
- microsoft .net framework 3.5 and 4.6.2/4.7/4.7.1/4.7.2≥ 3.0.0.0, < 10.0.14393.6167
- microsoft .net framework 3.5 and 4.7.2≥ 4.7.0, < 4.7.4057.05
- microsoft .net framework 3.5 and 4.8≥ 4.8.0, < 4.8.04654.06
1 vendor · 10 products
