Heap-based buffer overflow in Universal Plug and Play (upnp.dll) allows an authorized attacker to elevate privileges locally.
CVE-2026-58547
This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 66% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EG Risk
- 35(Track)EG Risk 35/100SSVC: Track
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 computedSeverity78% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 34%
- KEV
- Not listed
Published
July 14, 2026
Last Modified
August 28, 2026
Advisory Details (1)
Auto-updated Jul 15, 2026Security Update Guide - Microsoft Security Response Center
Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58547Vendor Advisories for CVE-2026-58547(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 32× in last 7d / 164× 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 242 total refreshes for this CVE.
- 2026-08-30 04:27 UTCEG score recompute
- 2026-08-30 04:27 UTCVendor advisory
- 2026-08-30 04:27 UTCGHSA enrichment
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-28 21:42 UTCEPSS rescore
- 2026-08-28 21:19 UTCVendor advisory
- 2026-08-28 21:19 UTCGHSA enrichment
- 2026-08-27 21:29 UTCEG score recompute
- 2026-08-27 21:29 UTCVendor advisory
- 2026-08-27 21:29 UTCGHSA enrichment
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 02:02 UTCEG score recompute
- 2026-08-27 02:02 UTCVendor advisory
- 2026-08-27 02:01 UTCGHSA enrichment
- 2026-08-26 14:46 UTCEPSS rescore
- 2026-08-26 13:43 UTCVendor advisory
- 2026-08-26 13:43 UTCGHSA enrichment
- 2026-08-26 01:15 UTCEG score recompute
- 2026-08-26 01:15 UTCVendor advisory
- 2026-08-26 01:15 UTCGHSA enrichment
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-25 09:37 UTCVendor advisory
- 2026-08-25 09:37 UTCGHSA enrichment
- 2026-08-24 21:19 UTCVendor advisory
- 2026-08-24 21:19 UTCGHSA enrichment
Show 75 moreShow fewer
- 2026-08-24 20:22 UTCEG score recompute
- 2026-08-24 20:22 UTCVendor advisory
- 2026-08-24 20:22 UTCGHSA enrichment
- 2026-08-24 08:04 UTCVendor advisory
- 2026-08-24 08:04 UTCGHSA enrichment
- 2026-08-23 19:13 UTCVendor advisory
- 2026-08-23 19:13 UTCGHSA enrichment
- 2026-08-23 06:56 UTCEG score recompute
- 2026-08-23 06:56 UTCVendor advisory
- 2026-08-23 06:56 UTCGHSA enrichment
- 2026-08-23 00:19 UTCEPSS rescore
- 2026-08-22 18:38 UTCVendor advisory
- 2026-08-22 18:38 UTCGHSA enrichment
- 2026-08-22 06:20 UTCEG score recompute
- 2026-08-22 06:20 UTCVendor advisory
- 2026-08-22 06:20 UTCGHSA enrichment
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 17:54 UTCGHSA enrichment
- 2026-08-21 05:36 UTCEG score recompute
- 2026-08-21 05:36 UTCVendor advisory
- 2026-08-21 05:36 UTCGHSA enrichment
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 17:18 UTCVendor advisory
- 2026-08-20 17:18 UTCGHSA enrichment
- 2026-08-20 05:18 UTCEG score recompute
- 2026-08-20 05:18 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 17:00 UTCVendor advisory
- 2026-08-19 17:00 UTCGHSA enrichment
- 2026-08-19 16:08 UTCVendor advisory
- 2026-08-19 16:07 UTCGHSA enrichment
- 2026-08-19 05:52 UTCVendor advisory
- 2026-08-19 05:52 UTCGHSA enrichment
- 2026-08-18 17:34 UTCVendor advisory
- 2026-08-18 17:34 UTCGHSA enrichment
- 2026-08-18 16:20 UTCEG score recompute
- 2026-08-18 16:20 UTCVendor advisory
- 2026-08-18 16:19 UTCGHSA enrichment
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 06:54 UTCGHSA enrichment
- 2026-08-17 18:36 UTCEG score recompute
- 2026-08-17 18:36 UTCVendor advisory
- 2026-08-17 18:36 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 08:38 UTCVendor advisory
- 2026-08-17 08:38 UTCGHSA enrichment
- 2026-08-16 20:21 UTCEG score recompute
- 2026-08-16 20:21 UTCVendor advisory
- 2026-08-16 20:21 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 08:03 UTCEG score recompute
- 2026-08-16 08:03 UTCVendor advisory
- 2026-08-16 08:03 UTCGHSA enrichment
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-15 19:46 UTCVendor advisory
- 2026-08-15 19:46 UTCGHSA enrichment
- 2026-08-15 07:28 UTCEG score recompute
- 2026-08-15 07:28 UTCVendor advisory
- 2026-08-15 07:28 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 17:49 UTCVendor advisory
- 2026-08-14 17:49 UTCGHSA enrichment
- 2026-08-14 17:13 UTCVendor advisory
- 2026-08-14 17:13 UTCGHSA enrichment
- 2026-08-14 08:00 UTCEG score recompute
- 2026-08-14 08:00 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 19:42 UTCVendor advisory
- 2026-08-13 19:42 UTCGHSA enrichment
- 2026-08-13 07:25 UTCVendor advisory
- 2026-08-13 07:25 UTCGHSA enrichment
- 2026-08-12 18:56 UTCEG score recompute
- 2026-08-12 18:56 UTCVendor advisory
- 2026-08-12 18:56 UTCGHSA enrichment
- 2026-08-12 13:51 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
10 shownmsrc
Same CWE
10 shownCWE-122
- CVE-2016-9603NVD 5.5EG 9.9EPSS p90CRITICAL
- CVE-2017-20241EG 9.8CRITICAL
- CVE-2006-10003EG 9.8CRITICAL
- CVE-2006-10002NVD 7.5EG 9.8CRITICAL
- CVE-2019-18296EG 9.8EPSS p92CRITICAL
- CVE-2019-18295EG 9.8EPSS p92CRITICAL
- CVE-2019-18293EG 9.8EPSS p92CRITICAL
- CVE-2019-18289EG 9.8EPSS p92CRITICAL
- CVE-2019-14901EG 9.8EPSS p97CRITICAL
- CVE-2019-14895EG 9.8EPSS p94CRITICAL
Frequently asked(5)
What is CVE-2026-58547?
When was CVE-2026-58547 disclosed?
Is CVE-2026-58547 actively exploited?
What is the CVSS score of CVE-2026-58547?
How do I remediate CVE-2026-58547?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-58547
Is Your Infrastructure Affected by CVE-2026-58547?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.