SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-27997

An issue in Blizzard Battle.net v2.40.0.15267 allows attackers to escalate privileges via placing a crafted shell script or executable into the C:\ProgramData directory.

HIGH 8.4EPSS 0.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue in Blizzard Battle.net v2.40.0.15267 allows attackers to escalate privileges via placing a crafted shell script or executable into the C:\ProgramData directory.

CVSS 3.1
8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.17% probability · 7th percentile
CISA KEV
Not listed
Weakness
CWE-427
Affected
blizzard/battle.net
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.