CVE-2013-5058

MEDIUMCVSS v2 · 6.96.9—
EchelonGraph scoreLOW confidence

This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 6.9 — v2 rates that MEDIUM (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:L/AC:M/Au:N/C:C/I:C/A:C. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 2.8% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.

Sources: epss, nvd_v2
Weaponized
6.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2.8%CVSS v2: 6.9Exploit: Exploit-DB (verified) · public exploitExposed services: Not assessed

A fix is referenced (a reference tagged "Patch", often a source commit), but no release containing it is confirmed — find the release that contains it; until it is applied, mitigate (WAF / firewall / segmentation).

Integer overflow in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 allows local users to gain privileges via a crafted application, aka "Win32k Integer Overflow Vulnerability."

CVSS v2.0 (legacy)
6.9MEDIUMNVD never assigned a CVSS v3 rating to this CVE
EG Score
6.9MEDIUMlow confidence
EG Risk
62
EG Risk 62/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity69% × 45%
Exploitation65% × 40%
Automatability30% × 15%
CISA SSVC: Track at low, Track or Track* at medium and Track* or Attend at high mission impact.
Action: A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it and apply that within your standard update timelines at low or medium mission impact and sooner than that at high; until then, restrict network exposure of the affected system or apply the vendor's mitigation.
EPSS PROB
2.8%
EPSS %ILE
85th
KEV
Not listed

CISA SSVCTrack at low, Track or Track* at medium and Track* or Attend at high mission impact.

A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it and apply that within your standard update timelines at low or medium mission impact and sooner than that at high; until then, restrict network exposure of the affected system or apply the vendor's mitigation.

Exploitation public PoC (EG-KEV: weaponized) · Automatable unknown (not published for this CVE) · Technical impact unknown (not published for this CVE). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

December 11, 2013

Last Modified

April 29, 2026

References (2)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 3× in last 7d / 14× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 137 total refreshes for this CVE.

  1. 2026-10-05 17:38 UTCEPSS rescore
  2. 2026-09-30 14:58 UTCEPSS rescore
  3. 2026-09-30 00:14 UTCEG score recompute
  4. 2026-09-28 13:45 UTCEPSS rescore
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  1. 2026-08-16 02:09 UTCEPSS rescore
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  3. 2026-08-09 13:42 UTCEPSS rescore
  4. 2026-08-08 16:31 UTCEPSS rescore
  5. 2026-08-07 16:21 UTCEPSS rescore
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  10. 2026-07-30 16:23 UTCEPSS rescore
  11. 2026-07-30 01:26 UTCEPSS rescore
  12. 2026-07-28 15:31 UTCEPSS rescore
  13. 2026-07-26 13:48 UTCEG score recompute▲ 6.90
  14. 2026-07-23 14:14 UTCEPSS rescore
  15. 2026-07-23 01:10 UTCEG score recompute
  16. 2026-07-23 00:14 UTCEG score recompute
  17. 2026-07-22 21:52 UTCEG score recompute
  18. 2026-07-22 14:04 UTCEPSS rescore
  19. 2026-07-21 15:21 UTCEPSS rescore
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  21. 2026-07-20 17:03 UTCEPSS rescore
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  23. 2026-07-19 14:27 UTCEPSS rescore
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  27. 2026-07-16 16:58 UTCEPSS rescore
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  43. 2026-06-30 23:19 UTCEPSS rescore
  44. 2026-06-29 14:02 UTCEPSS rescore
  45. 2026-06-28 14:03 UTCEPSS rescore
  46. 2026-06-28 04:53 UTCEPSS rescore
  47. 2026-06-28 04:53 UTCEPSS rescore
  48. 2026-06-27 03:05 UTCEPSS rescore
  49. 2026-06-25 13:47 UTCEPSS rescore
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  51. 2026-06-24 14:02 UTCEPSS rescore
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  53. 2026-06-21 14:53 UTCEPSS rescore
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  56. 2026-06-19 19:23 UTCEPSS rescore
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  65. 2026-06-14 23:14 UTCEPSS rescore
  66. 2026-06-13 22:57 UTCEPSS rescore
  67. 2026-06-12 23:08 UTCEPSS rescore
  68. 2026-06-11 13:56 UTCEPSS rescore
  69. 2026-06-10 22:15 UTCEPSS rescore
  70. 2026-06-10 13:18 UTCEPSS rescore
  71. 2026-06-08 14:14 UTCEPSS rescore
  72. 2026-06-07 15:22 UTCEPSS rescore
  73. 2026-06-06 13:45 UTCEPSS rescore
  74. 2026-06-06 13:45 UTCEPSS rescore
  75. 2026-06-05 22:44 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-30397✓ verified
    First seen Dec 17, 2013

    Microsoft Windows Kernel - 'win32k.sys' Integer Overflow (MS13-101)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2013-5058?
CVE-2013-5058 is a medium vulnerability published on December 11, 2013. Integer overflow in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 allows local users to gain privileges via a crafted…
When was CVE-2013-5058 disclosed?
CVE-2013-5058 was first published on December 11, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-5058 actively exploited?
CVE-2013-5058 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 2.8% probability of exploitation in the next 30 days (85th percentile of EPSS-scored CVEs).
How do I remediate CVE-2013-5058?
A fix for CVE-2013-5058 is referenced (a reference tagged "Patch", often a source commit), but EchelonGraph has no release containing it on record. Check that reference and the vendor's advisory for a release that contains the fix and update to it; until then, restrict network exposure of the affected system or apply the vendor's mitigation.

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