CVE-2026-56844

HIGHPre-NVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 97% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 4 sources updated this week
8.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.4Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability in the Veeam Updater component of the Veeam Software Appliance that could allow a local user to elevate their privileges and gain root-level access to the underlying operating system.

CVSS v3
8.4
EG Score
8.4(medium)
EPSS
2.9%
KEV
Not listed

Published

July 22, 2026

Last Modified

July 22, 2026

Advisory Details (1)

Auto-updated Jul 22, 2026
No patch confirmed yet.
generic

KB4879: Veeam Software Appliance/Veeam Infrastructure Appliance — Updater Component Vulnerability

https://www.veeam.com/kb4879

Vendor Advisories for CVE-2026-56844(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 8× 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.

  1. 2026-07-22 15:04 UTCEG score recompute
  2. 2026-07-22 15:04 UTCGHSA enrichment
  3. 2026-07-22 14:08 UTCEPSS rescore
  4. 2026-07-22 13:33 UTCEG score recompute
  5. 2026-07-22 13:33 UTCGHSA enrichment
  6. 2026-07-22 01:44 UTCEG score recompute
  7. 2026-07-22 00:55 UTCEG score recompute
  8. 2026-07-22 00:53 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56844?
CVE-2026-56844 is a high vulnerability published on July 22, 2026. A vulnerability in the Veeam Updater component of the Veeam Software Appliance that could allow a local user to elevate their privileges and gain root-level access to the underlying operating system.
When was CVE-2026-56844 disclosed?
CVE-2026-56844 was first published in the National Vulnerability Database on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56844 actively exploited?
CVE-2026-56844 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56844?
CVE-2026-56844 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2026-56844?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56844, 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-2026-56844

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