01 Record
CVE-2026-19874
Konami's Metal Gear Online 3 contains a heap-based buffer overflow
CriticalPUBLISHEDCNA: certcc
CNA base score9.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
02 Description
Konami's Metal Gear Online 3 contains a heap-based buffer overflow
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.82% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 57.1% of scored records. A rank, not a probability.
- NVD base score
- 9.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-12.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-24 15:02Z2 MO AGO
- Last updated
- 2026-08-24 20:04Z2 MO AGO
- Reserved
- 2026-08-14
- Assigning CNA
- certcc
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Weaknesses
- CWE-122Heap-based Buffer OverflowVariant
- Data version
- 5.2
- Document digest
- e660da2b4463fef1f2f18c32f90e64da3e88a0bd37e0fd93659c231f72d88090
05 Affected products
VendorProductVersionsPlatforms
06 References
- cwe.mitre.orghttps://cwe.mitre.org/data/definitions/122.html
- kb.cert.orghttps://kb.cert.org/vuls/id/728712
- www.kb.cert.orghttps://www.kb.cert.org/vuls/id/728712