CVE-2026-8992: ivanti secure_access_client Improper Certificate Validation
CVSS: 8.8v3.1HighAnalyzed
Published 22-05-2026Last modified 23-05-2026
Vulnerability summary
CVE-2026-8992 is a high (CVSS 8.8) Improper Certificate Validation vulnerability in ivanti secure_access_client. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 66.9% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
1.17%
0%100%
Low · +0.60 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-05-2026PublishedVulnerability first disclosed.
- 23-05-2026Last modifiedVulnerability information updated.
Description
An improper certificate validation vulnerability in Ivanti Secure Access Client before 22.8R6 allows a remote unauthenticated attacker to execute arbitrary code.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.17%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
+0.60 pp
From 0.56% on 20-09-2026
20-09-202620-10-2026
EPSS score1.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ivanti1 product
- secure_access_client≤ 22.7 | 22.8 | 22.8:r1 | 22.8:r2 | 22.8:r3 | 22.8:r4 | 22.8:r5
1 vendor · 1 product
References
1 links- hub.ivanti.com/s/…Vendor Advisory