Permission bypass vulnerability in the system service framework. Impact: Successful exploitation of this vulnerability may affect availability.
CVE-2026-28542
HIGHNVD 5.57.3▲
EchelonGraph scoreMEDIUM confidence
Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-03-05. NVD baseline CVSS 5.5; sources differ by 1.8.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, nvd
7.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.5
- EG Score
- 7.3(medium)
- EG Risk
- 37(Track)EG Risk 37/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity73% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 0%
- KEV
- Not listed
Published
March 5, 2026
Last Modified
June 17, 2026
References (2)
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 2× in last 7d / 2× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-27 13:51 UTCEG score recompute
- 2026-07-27 13:51 UTCGHSA enrichment
Related CVEs(same CWE)
Same CWE
10 shownCWE-755
- CVE-2009-5043EG 9.8CRITICAL
- CVE-2019-17195EG 9.8EPSS p95CRITICAL
- CVE-2019-14431EG 9.8CRITICAL
- CVE-2019-12815EG 9.8EPSS p99CRITICAL
- CVE-2018-19991EG 9.8CRITICAL
- CVE-2017-2877EG 9.8CRITICAL
- CVE-2017-5638EG 9.8 KEVEPSS p100CRITICAL
- CVE-2018-0155NVD 8.6EG 9.0 KEVEPSS p94CRITICAL
- CVE-2019-14287EG 8.9EPSS p99HIGH
- CVE-2019-14378EG 8.8EPSS p97HIGH
Frequently asked(5)
What is CVE-2026-28542?
CVE-2026-28542 is a high vulnerability published on March 5, 2026. Permission bypass vulnerability in the system service framework. Impact: Successful exploitation of this vulnerability may affect availability.
When was CVE-2026-28542 disclosed?
CVE-2026-28542 was first published in the National Vulnerability Database on March 5, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-28542 actively exploited?
CVE-2026-28542 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 99.8% of all scored CVEs.
What is the CVSS score of CVE-2026-28542?
CVE-2026-28542 has a CVSS v3 base score of 5.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.3.
How do I remediate CVE-2026-28542?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28542, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-28542
Is Your Infrastructure Affected by CVE-2026-28542?
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