CVE-2026-0310

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.2 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 73% 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 — 3 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: None knownExposed: 0

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

A buffer overflow vulnerability in the XML processing functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web or dataplane interface to cause a denial of service (DoS) condition on VM-Series firewalls or execute arbitrary code with root privileges on the PA-Series firewalls.

The security risk posed by this issue is minimized when the management interface is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 .

Panorama is impacted by this vulnerability.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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 computed
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

September 10, 2026

Last Modified

September 11, 2026

Advisory Details (1)

Auto-updated Sep 10, 2026
No patch confirmed yet.
generic

CVE-2026-0310 PAN-OS: Buffer Overflow Vulnerability via XML Processing

https://security.paloaltonetworks.com/CVE-2026-0310

Vendor Advisories for CVE-2026-0310(2)

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 24× in last 7d / 43× 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. 2026-09-19 04:10 UTCEG score recompute
  2. 2026-09-19 04:10 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 16:13 UTCGHSA enrichment
  5. 2026-09-18 03:43 UTCEG score recompute
  6. 2026-09-18 03:43 UTCGHSA enrichment
  7. 2026-09-17 15:46 UTCGHSA enrichment
  8. 2026-09-17 03:49 UTCGHSA enrichment
  9. 2026-09-16 15:52 UTCEG score recompute
  10. 2026-09-16 15:52 UTCGHSA enrichment
  11. 2026-09-16 05:14 UTCEPSS rescore
  12. 2026-09-16 03:55 UTCGHSA enrichment
  13. 2026-09-15 15:57 UTCGHSA enrichment
  14. 2026-09-15 04:00 UTCEG score recompute
  15. 2026-09-15 04:00 UTCGHSA enrichment
  16. 2026-09-14 16:02 UTCGHSA enrichment
  17. 2026-09-14 04:05 UTCEG score recompute
  18. 2026-09-14 04:05 UTCGHSA enrichment
  19. 2026-09-13 16:46 UTCEPSS rescore
  20. 2026-09-13 16:08 UTCGHSA enrichment
  21. 2026-09-13 04:10 UTCGHSA enrichment
  22. 2026-09-12 16:12 UTCEG score recompute
  23. 2026-09-12 16:12 UTCGHSA enrichment
  24. 2026-09-12 15:00 UTCEPSS rescore
  25. 2026-09-12 04:15 UTCGHSA enrichment
Show 18 more
  1. 2026-09-11 16:18 UTCEG score recompute
  2. 2026-09-11 16:18 UTCGHSA enrichment
  3. 2026-09-11 14:52 UTCEPSS rescore
  4. 2026-09-11 09:36 UTCEPSS rescore
  5. 2026-09-11 04:21 UTCEG score recompute
  6. 2026-09-11 04:21 UTCGHSA enrichment
  7. 2026-09-11 04:00 UTCEG score recompute
  8. 2026-09-11 04:00 UTCGHSA enrichment
  9. 2026-09-11 02:55 UTCGHSA enrichment
  10. 2026-09-10 14:58 UTCGHSA enrichment
  11. 2026-09-10 14:21 UTCEG score recompute
  12. 2026-09-10 14:21 UTCGHSA enrichment
  13. 2026-09-10 13:21 UTCEG score recompute
  14. 2026-09-10 13:21 UTCGHSA enrichment
  15. 2026-09-10 06:35 UTCEG score recompute
  16. 2026-09-10 06:35 UTCGHSA enrichment
  17. 2026-09-10 05:25 UTCEG score recompute
  18. 2026-09-10 05:24 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-0310?
CVE-2026-0310 is a high vulnerability published on September 10, 2026. A buffer overflow vulnerability in the XML processing functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web or dataplane interface to cause a denial of service (DoS) condition on VM-Series firewalls or execute arbitrary…
When was CVE-2026-0310 disclosed?
CVE-2026-0310 was first published in the National Vulnerability Database on September 10, 2026, with the most recent update on September 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-0310 actively exploited?
CVE-2026-0310 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 72.8% of all scored CVEs.
What is the CVSS score of CVE-2026-0310?
CVE-2026-0310 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-0310?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-0310, 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

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