CVE-2026-81349: microsoft azure hdinsight OS Command Injection
CVSS: 7.2v3.1HighAnalyzed
Published 08-09-2026Last modified 14-10-2026
Vulnerability summary
CVE-2026-81349 is a high (CVSS 7.2) OS Command Injection vulnerability in microsoft azure hdinsight. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v3.1 (CVE.org)EPSS score
1.01%
0%100%
Low · +0.29 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-09-2026PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.01%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
+0.29 pp
From 0.72% on 20-09-2026
20-09-202620-10-2026
EPSS score1.01%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- azure hdinsight< 5.1 | ≥ 1.0, < 2606012120
1 vendor · 1 product
