Integer overflow in Microsoft Windows 10

CVE-2015-2519

Integer overflow in Windows Journal in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 allows remote attackers to execute arbitrary code via a crafted .jnt file, aka "Windows Journal Integer Overflow RCE Vulnerability."

Vulnerability class: Integer Overflow

Published 2015-09-09 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.143 (96.5th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.143 · newest: 0.143 · change: 0.000

Affected products

Microsoft Windows 10
Microsoft Windows 7
Microsoft Windows 8
Microsoft Windows 8.1
Microsoft Windows Rt
Microsoft Windows Rt 8.1
Microsoft Windows Server 2008 — versions r2
Microsoft Windows Server 2012 — versions r2
Microsoft Windows Vista

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-098 (vendor-advisory, Patch, Vendor Advisory)
www.securitytracker.com/id/1033484 (VDB Entry, Third Party Advisory, vdb-entry)