Is CVE-2012-1527 in the CISA KEV catalog?

No. CVE-2012-1527 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-1527?

CVE-2012-1527 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2012-1527?

CVE-2012-1527 has an EPSS score of 18.16% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2012-1527

HIGHEPSS 97th pctl

9.3

CVSS v2

NVD

Description

Integer underflow in Windows Shell in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, Windows 7 Gold and SP1, Windows 8, and Windows Server 2012 allows local users to gain privileges via a crafted briefcase, aka "Windows Briefcase Integer Underflow Vulnerability."

CWE-189

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

18.16%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.