⚡ ACTIVELY EXPLOITED 76/100 CVSS 7.5 💀 ZERO-DAYPublished: May 27, 2026

[local] Linux Kernel - Local Privilege Escalation

Linux Kernel - Local Privilege Escalation

7.5

CVSS Score

HIGH

Threat Level

Priority /100

YES

Exploited ITW

Monitor

CISA Status

Sources

⚠️

ACTIVE EXPLOITATION DETECTED

Exploitation confirmed in the wild. Emergency patching required. Score: 76/100 — do not wait for maintenance window.

📋 Executive Summary

⚡ Analyst Assessment — SENTINEL APEX v4.0

CYBERDUDEBIVASH SENTINEL APEX has confirmed a HIGH-tier threat intelligence signal for EXPLOITDB-e3ffa4adadf71ba2 affecting ExploitDB Multiple Targets. Composite threat score: 76/100. Intelligence corroborated across 1 source(s): exploitdb. CVSS base score: 7.5. Active exploitation detected in the wild — emergency response required.

Intelligence sources: exploitdb

⚠️ Business Impact Analysis

⚠️ Threat actors actively targeting this vulnerability — attack window is open now
⚠️ Privilege escalation — local attacker can become SYSTEM/root

🔗 Attack Chain Analysis

Step-by-step attack chain based on observed TTPs and vulnerability characteristics:

#	Phase	Attacker Action	MITRE
1	Reconnaissance	Attacker identifies exposed Multiple Targets instances via Shodan, Censys, or targeted scanning	`TA0043`
2	Initial Access	Exploitation of EXPLOITDB-e3ffa4adadf71ba2 in ExploitDB Multiple Targets	`T1190`
3	Privilege Escalation	Local privilege escalation to SYSTEM/root for full control	`T1068`
4	Persistence	Backdoor, scheduled task, or new admin account created for persistent access	`T1053`
5	Command & Control	Attacker establishes persistent C2 channel using HTTPS or DNS tunneling	`T1071`
6	Impact / Objectives	Intellectual property theft, espionage, cryptomining, or preparation for future attack stage	`T1657`

⚠ Deep Dive Analysis

This zero-day vulnerability is being actively exploited before a vendor patch is available. SENTINEL APEX intelligence shows unpatched vulnerabilities are consistently weaponized within 24-72 hours of public disclosure. Nation-state APT groups and ransomware operators actively monitor disclosures and race to weaponize.

SENTINEL APEX URGENCY: ELEVATED. Score: 76/100 HIGH. Active exploitation confirmed — treat as active incident requiring immediate response.

🎯 MITRE ATT&CK Mapping

Category	Mapping
Primary Tactic	Privilege Escalation
Primary Technique	T1068 — Exploitation for Privilege Escalation
Sub-Technique	T1134 — Access Token Manipulation
Weakness (CWE)	See NVD entry
Intel Type	💀 ZERO-DAY
Source(s)	exploitdb

🔍 Detection Rules — Sigma (SIEM)

Deploy to Splunk, Elastic, Microsoft Sentinel, or QRadar. SOC Pro subscribers receive pre-compiled SIEM-native query packs updated with each pipeline run.

Sigma YAMLtitle: EXPLOITDB-e3ffa4adadf71ba2 Exploitation Attempt — ExploitDB Multiple Targets
id: 6ce22c261958ad80-aac4
status: experimental
description: Detects exploitation of EXPLOITDB-e3ffa4adadf71ba2 in ExploitDB Multiple Targets. Priority: HIGH. Score: 76/100
author: CYBERDUDEBIVASH SENTINEL APEX v4.0 (bivash@cyberdudebivash.com)
date: 2026-05-28
references:
    - https://nvd.nist.gov/vuln/detail/EXPLOITDB-e3ffa4adadf71ba2
    - https://blog.cyberdudebivash.in/
tags:
    - attack.initial_access
    - attack.t1190
logsource:
    category: webserver
detection:
    keywords:
        - 'exploitdb-e3ffa4adadf71ba2'
    condition: keywords
falsepositives:
    - Security scanners
level: medium

📡 Detection Rules — YARA (Endpoint)

Deploy to endpoint detection platforms. Enterprise subscribers receive tuned, FP-validated YARA rule packs.

YARArule EXPLOITDB_e3ffa4adadf71ba2_Exploitation {
    meta:
        description = "Detects artifacts related to EXPLOITDB-e3ffa4adadf71ba2 exploitation in ExploitDB Multiple Targets"
        author      = "CYBERDUDEBIVASH SENTINEL APEX v4.0"
        date        = "2026-05-28"
        severity    = "HIGH"
        cvss        = "7.5"
        priority    = "76/100"
        threat_level = "HIGH"
        reference   = "https://nvd.nist.gov/vuln/detail/EXPLOITDB-e3ffa4adadf71ba2"
    strings:
        $id_str  = "EXPLOITDB-e3ffa4adadf71ba2" ascii nocase
        $product = "Multiple_Targets" ascii nocase wide
    condition:
        any of them
}

🛡️ SOC Response Playbook

1IMMEDIATE (0-1hr): Identify all instances of Multiple Targets in your environment via CMDB/asset inventory
2IMMEDIATE (0-1hr): Apply vendor patch — no maintenance window exception for HIGH threats
3IMMEDIATE (1-2hr): If no patch available: implement WAF rules, ACLs, or network-level compensating controls
4SHORT-TERM (2-4hr): Deploy Sigma detection rule to SIEM — validate alert generation in test environment
5SHORT-TERM (4-8hr): Review logs for exploitation indicators (anomalous Multiple Targets requests, error spikes)
6SHORT-TERM (8-24hr): Hunt for post-exploitation: new admin accounts, scheduled tasks, lateral movement
7MONITOR: Subscribe to ExploitDB security advisories for patch updates
8ONGOING: Track SENTINEL APEX intelligence feed for follow-on campaigns targeting Multiple Targets

📎 Intelligence References

www.exploit-db.com/exploits/52585

SENTINEL INTEL BRIEF

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⚡ CYBERDUDEBIVASH SENTINEL APEX v4.0

Intelligence report generated by CYBERDUDEBIVASH SENTINEL APEX v4.0
Report ID: SENTINEL-EXPLOITDB-e3ffa4adadf71ba2-2026-05-28 | Priority: 76/100 HIGH | Sources: 1
© 2026 CYBERDUDEBIVASH PRIVATE LIMITED
Republication requires written attribution to CYBERDUDEBIVASH SENTINEL APEX

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