CVE-2013-6999: n/a vulnerability

CVE-2013-6999: The IsHandleEntrySecure function in win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2008...

The IsHandleEntrySecure function in win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2008 SP2 does not properly validate the tagPROCESSINFO pW32Job field, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted NtUserValidateHandleSecure call for an owned object. NOTE: the vendor reportedly disputes the significance of this report, stating that "it appears to be a local DOS ... we don't consider it a security vulnerability.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 17:53 UTC (UTC+00:00)

Security readout for executives and security teams

This is a reported local denial-of-service issue in Microsoft Windows Server 2008 SP2. A local user could crash the system, affecting availability. The source bundle provides no CVSS score, no KEV listing, and notes Microsoft reportedly disputed its security significance as local DoS rather than a security vulnerability. Exposure appears limited to systems matching Windows Server 2008 SP2 where untrusted or low-privileged local users can run code. The provided affected-products metadata is incomplete, so validate against Microsoft and asset inventory before assuming broader exposure. Treat this as a low business-urgency availability issue unless affected servers allow untrusted local access or support critical services. The main decision is whether any Windows Server 2008 SP2 hosts remain operational and locally accessible. Mitigation focus: Check Microsoft guidance because the bundle names no patch or official mitigation.; Restrict local interactive access to affected Windows Server 2008 SP2 systems.; Review whether untrusted users can execute code on affected hosts..

Prepared: Jun 14, 2026, 15:13 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2013-6999 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup

Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 7, 2013, 01:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.