CVE-2026-2915
Published: 03 March 2026
Summary
CVE-2026-2915 is a medium-severity Incorrect Default Permissions (CWE-276) vulnerability in Hp System Event Utility. Its CVSS base score is 5.2 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 8.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 AC-3 (Access Enforcement) and AC-6 (Least Privilege).
Deeper analysis
CVE-2026-2915 is a vulnerability in the HP System Event Utility that might allow denial of service through elevated arbitrary file writes. It affects versions of the HP System Event Utility prior to 3.2.16 and is linked to CWE-276 (Incorrect Default Permissions) and CWE-732 (Incorrect Permission Assignment for Critical Resource). The vulnerability carries a CVSS v3.1 base score of 7.1 (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H), indicating high impacts on integrity and availability with no confidentiality impact.
A local attacker with low privileges can exploit this vulnerability with low attack complexity and no user interaction. Exploitation enables elevated arbitrary file writes, potentially leading to denial of service and disruption of system integrity by overwriting critical files.
The HP security bulletin at https://support.hp.com/us-en/document/ish_14271963-14271996-16/hpsbgn04097 addresses this issue, stating that it was remediated in HP System Event Utility version 3.2.16. Security practitioners should update to this version or later to mitigate the risk.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9316
Vulnerability details
HP System Event Utility might allow denial of service with elevated arbitrary file writes. This potential vulnerability was remediated with HP System Event Utility version 3.2.16.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Local arbitrary file write with elevation directly enables T1068 (Exploitation for Privilege Escalation) and facilitates T1485 (Data Destruction) via overwriting critical files to achieve DoS/integrity impact.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly enforces correct file and resource permissions to block the unauthorized elevated writes that enable the DoS in HP System Event Utility.
Limits privileges so a low-privileged local user cannot obtain the elevated file-write rights exploited by CVE-2026-2915.
Restricts which accounts or processes may modify critical files or configurations, directly mitigating the incorrect permission assignments (CWE-276/732).