How severe is CVE-2015-2387?

CVE-2015-2387 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2015-2387?

Affected package information for CVE-2015-2387 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2015-2387?

No fixed version has been published for CVE-2015-2387 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2015-2387 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2015-2387, including 2 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2015-2387?

CVE-2015-2387 has an EPSS (Exploit Prediction Scoring System) score of 24.7%, placing it in the 96th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score warrants monitoring and prompt remediation.

Is CVE-2015-2387 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2015-2387 (Microsoft ATM Font Driver Privilege Escalation Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-03-03. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-03-24. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2015-2387?

CVE-2015-2387 is classified as Out-of-bounds Write (CWE-787). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2015-2387?

CVE-2015-2387 affects microsoft windows 7; microsoft windows 8; microsoft windows 8.1; microsoft windows rt, and 5 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2015-2387 published, and has it been updated?

CVE-2015-2387 was published on July 14, 2015 and was last updated on April 22, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-03-03 — agencies required to remediate by 2022-03-24

CVE-2015-2387

HIGH

ATMFD.DLL in the Adobe Type Manager Font Driver in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows…

Published

Jul 14, 2015

Updated

Apr 22, 2026

Affected

0 pkgs

Patched

None yet

Exploits

2 known

EPSS Exploitation Probability

via FIRST.org ↗

24.7%probability of exploitation in next 30 days

Moderate Risk96th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

ATMFD.DLL in the Adobe Type Manager Font Driver in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges via a crafted application, aka "ATMFD.DLL Memory Corruption Vulnerability."

Affected Products

9 products · 11 configurations

windows 7microsoft

all

windows 8microsoft

all

windows 8.1microsoft

all

windows rtmicrosoft

all

windows rt 8.1microsoft

all

windows server 2003microsoft

all

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

ATMFD.DLL in the Adobe Type Manager Font Driver in Microsoft Windows Ser…

docs.microsoft.comGoogle-sheetJul 2015

ATMFD.DLL in the Adobe Type Manager Font Driver in Microsoft Windows Ser…

cisa.govCISAMar 2022

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2015-2387 in your stack?

O3 detects CVE-2015-2387 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works

CVSS Score

7.8/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Local

AC:Attack Complexity

Low

PR:Privileges Required

Low

UI:User Interaction

None

S:Scope

Unchanged

C:Confidentiality

High

I:Integrity

High

A:Availability

High

Raw vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE Classification

CWE-787Out-of-bounds Write

Weaponization

No known public exploit tooling found.

Timeline

First exploit

Jul 5, 2015

Disclosed

Jul 14, 2015

KEV added

Mar 3, 2022

Last updated

Apr 22, 2026

Identifiers

CVE-2015-2387

References

Advisorysecurityfocus.com Advisorysecuritytracker.com Advisoryus-cert.gov Advisorysecurityfocus.com Advisorysecuritytracker.com Advisoryus-cert.gov Fixdocs.microsoft.com Fixdocs.microsoft.com Webcisa.gov

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