Microsoft

CVE-2005-1983: Stack-based buffer overflow in the Plug and Play (PnP) service for Microsoft Windows 2000 and Windows XP Service Pack…

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 29 Oct 2026.

VulnCheck KEV lists it since 9 Aug 2005. It cites 1 public report, the first from 9 Aug 2005.

kb.cert.org

How likely is exploitation in the next 30 days?

93%

EPSS score, percentile 99.8 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?

Not scored

The CVE record carries no CVSS score.

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

Advisories and patches (1)

Which versions are affected?

Not stated. The CVE record gives vendor and product as “n/a” and the version as “unspecified”.

Source: CISA KEV 2026.10.29, as of 29 Oct 2026; VulnCheck KEV, as of 30 Oct 2026; FIRST EPSS, as of 29 Oct 2026; CVE List, as of 30 Oct 2026. About the data.

Description

Stack-based buffer overflow in the Plug and Play (PnP) service for Microsoft Windows 2000 and Windows XP Service Pack 1 allows remote attackers to execute arbitrary code via a crafted packet, and local users to gain privileges via a malicious application, as exploited by the Zotob (aka Mytob) worm.

Source: CVE List, as of 30 Oct 2026. About the data.

What to do

Advisories and patches

MS05-039 (Vendor advisory)

This summary is based on the CVE record as of 30 Oct 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

The CVE record does not name affected products or versions: vendor and product are “n/a” and the version is “unspecified”.

Source: CVE List, as of 30 Oct 2026. About the data.

Timeline

Date	Event
10 Aug 2005	CVE record published
7 Aug 2024	CVE record last updated

References

VU#998653 (Third-party advisory)
P-266 (Third-party advisory)
TA05-221A (Third-party advisory)
16372 (Third-party advisory)
20050809 Windows Plug and Play Remote Compromise (Third-party advisory)
ADV-2005-1354 (Vulnerability database)
oval:org.mitre.oval:def:497 (Vulnerability database)
18605 (Vulnerability database)
14513 (Vulnerability database)
oval:org.mitre.oval:def:267 (Vulnerability database)
1014640 (Vulnerability database)

9 more in the CVE record.

Known exploited Microsoft vulnerabilities

CVE-2026-96951: Microsoft Windows Command Injection Vulnerability (added 13 Oct 2026)
CVE-2026-65660: Microsoft SharePoint Code Injection Vulnerability (added 25 Sep 2026)
CVE-2026-81963: Microsoft Windows Link Following Vulnerability (added 8 Sep 2026)
CVE-2026-85880: Microsoft Windows Heap-Based Buffer Overflow Vulnerability (added 8 Sep 2026)
CVE-2019-1068: Microsoft SQL Server Remote Code Execution Vulnerability (added 26 Aug 2026)