CVE-2011-1282

HIGHNVD 8.48.4
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
8.4EG
EchelonGraph verdictPlan mitigationRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.6%CVSS: 8.4Exploit: None knownExposed services: Not assessed

No fix has been recorded since the CVE record was published in 2011 — if the vendor still supports the product, apply the fixed version it names; if not, isolate the affected system (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.

The Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly initialize memory and consequently uses a NULL pointer in an unspecified function call, which allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that triggers an incorrect memory assignment for a user transaction, aka "CSRSS Local EOP SrvSetConsoleLocalEUDC Vulnerability."

CVSS v3
8.4
EG Score
8.4HIGHmedium confidence
EG Risk
38
EG Risk 38/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity84% × 45%
Impact severity (EG Severity): CVSS 8.4 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation1.6% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: No fix has been recorded since the CVE record was published in 2011. If the vendor still supports the product, apply the fixed version it names within your standard update timelines; if it no longer does, isolate the affected system (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.
EPSS PROB
1.6%
EPSS %ILE
74th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (8.4): severity, escalated by confirmed exploitation. This CVE's 8.4 is its impact severity (EG Severity), not escalated.

EG Severity
8.4 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
1.6% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-17). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

No fix has been recorded since the CVE record was published in 2011. If the vendor still supports the product, apply the fixed version it names within your standard update timelines; if it no longer does, isolate the affected system (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

July 13, 2011

Last Modified

April 29, 2026

Advisory Details (1)

Auto-updated May 2, 2026
No fix on record since 2011.
Web page

Microsoft Security Bulletin MS11-056 - Important | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-056

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 25× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 81 of 131 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 19 repeat rows among the latest 100 are merged into the row they repeat. The 50 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-18 16:25 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  2. 2026-10-18 11:33 UTCEG score recompute
  3. 2026-10-17 16:26 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  4. 2026-10-16 16:26 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  5. 2026-10-15 16:25 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  6. 2026-10-14 16:26 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  7. 2026-10-13 16:26 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  8. 2026-10-12 21:37 UTCEG score recompute
  9. 2026-10-12 16:27 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  10. 2026-10-12 01:43 UTCEG score recompute
  11. 2026-10-11 13:38 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  12. 2026-10-10 19:54 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  13. 2026-10-09 20:00 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  14. 2026-10-08 16:34 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  15. 2026-10-07 23:38 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  16. 2026-10-06 15:10 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  17. 2026-10-05 17:37 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  18. 2026-10-04 23:16 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  19. 2026-09-30 14:58 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  20. 2026-09-29 08:16 UTCEG score recompute
  21. 2026-09-28 13:44 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  22. 2026-09-27 13:39 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  23. 2026-09-26 15:52 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  24. 2026-09-24 13:57 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  25. 2026-09-20 20:08 UTCEPSS rescoreEPSS 1.6% · 74th percentile
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  1. 2026-09-16 13:58 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  2. 2026-09-15 03:04 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  3. 2026-09-12 14:54 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  4. 2026-09-06 13:41 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  5. 2026-09-05 15:22 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  6. 2026-09-04 13:55 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  7. 2026-08-25 13:43 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  8. 2026-08-19 16:58 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  9. 2026-08-18 13:42 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  10. 2026-08-15 01:25 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  11. 2026-08-09 13:41 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  12. 2026-08-08 16:31 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  13. 2026-08-06 13:41 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  14. 2026-08-05 19:12 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  15. 2026-08-04 15:04 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
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  17. 2026-07-30 01:26 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  18. 2026-07-23 14:14 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  19. 2026-07-23 01:04 UTCEG score recompute
  20. 2026-07-23 00:40 UTCEG score recompute
  21. 2026-07-23 00:08 UTCEG score recompute
  22. 2026-07-22 21:47 UTCEG score recompute
  23. 2026-07-22 14:03 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  24. 2026-07-21 15:21 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  25. 2026-07-20 17:03 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  26. 2026-07-19 02:25 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  27. 2026-07-18 10:00 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  28. 2026-07-16 16:58 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  29. 2026-07-15 16:54 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  30. 2026-07-15 01:55 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  31. 2026-07-13 22:25 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
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  34. 2026-07-08 15:10 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  35. 2026-07-06 16:23 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  36. 2026-07-06 02:19 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  37. 2026-07-05 02:26 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
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  39. 2026-07-02 14:01 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  40. 2026-07-01 15:02 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  41. 2026-06-30 23:19 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  42. 2026-06-29 14:02 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
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  44. 2026-06-28 04:52 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  45. 2026-06-27 03:05 UTCEPSS rescoreEPSS 1.6% · 72nd percentile
  46. 2026-06-25 13:46 UTCEPSS rescoreEPSS 1.6% · 71st percentile
  47. 2026-06-24 14:02 UTCEPSS rescoreEPSS 1.6% · 71st percentile
  48. 2026-06-23 21:30 UTCEPSS rescoreEPSS 1.6% · 71st percentile
  49. 2026-06-22 14:22 UTCEPSS rescoreEPSS 1.6% · 71st percentile
  50. 2026-06-21 01:56 UTCEPSS rescoreEPSS 1.6% · 71st percentile
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  56. 2026-06-14 23:14 UTCEPSS rescoreEPSS 1.1% · 78th percentile

Frequently asked(5)

What is CVE-2011-1282?
CVE-2011-1282 is a high-severity vulnerability; its CVE record was published on July 13, 2011. The Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly initialize memory and consequently uses a NULL…
When was CVE-2011-1282 made public?
CVE-2011-1282 was made public on July 12, 2011: that is the date its CVE record's CNA, Microsoft Corporation, gives for when the vulnerability was made public. The CVE record itself was published on July 13, 2011. EchelonGraph's copy of the record carries a last-modified date of April 29, 2026; the record at its source may have been updated since.
Is CVE-2011-1282 actively exploited?
CVE-2011-1282 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.6% probability of exploitation in the next 30 days (74th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2011-1282?
CVE-2011-1282 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2011-1282?
No fix for CVE-2011-1282 has been recorded since its CVE record was published in 2011. If the vendor still supports the product, apply the fixed version it names; if it no longer does, isolate the affected system (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.

Dependency Blast Radius

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