CVE-2026-70330Disclosure(microsoft / windows_10_1607)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.

microsoft CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70330

Weakness type (CWE)

CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

windows_10_1607
windows_10_1809
windows_10_21h2
windows_10_22h2

Threat summary

5 mentions across 4 observed days
Momentum state: stable

What's happening

Technical details provided in 2 signals
Disclosure: 3 classified signals
General: 2 classified signals
Peaked 2d ago at 2 mentions (2026-08-14); latest day: 1
5 total mentions across 4 days

Affected systems

Vendors

microsoft

Products

windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2012windows_server_2016

2 versions affected across 13 products

Deep dive

Activity timeline5 mentions / 4d

Signal classification2 categories

Disclosure

360.0%

General

240.0%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-08-11	1	General1
2026-08-14	2	Disclosure1General1
2026-08-18	1	Disclosure1
2026-08-19	1	Disclosure1

Full discourse5 posts

Yasuhiro Morishita@OrangeMorishita44d
Disclosure
つまりWindows DNSは16件しかなかった、と。 Windows DNSの脆弱性情報が公開されました（CVE-2026-70330、他15件） https://jprs.jp/tech/security/2026-08-14-windows.html
Post summary
The post announces that 16 Windows DNS vulnerabilities, including CVE-2026-70330, have been publicly disclosed and lists a link to the detailed advisory.
13091863
4.6K followersView on X
日本レジストリサービス（JPRS）@JPRS_official44d
General
【注意喚起】Windows DNSの脆弱性情報が公開されました（CVE-2026-70330、他15件） https://jprs.jp/tech/security/2026-08-14-windows.html
Post summary
The text announces that vulnerability information for CVE-2026-70330 and related issues has been released, but provides no further details.
02081651
1.3K followersView on X
DailyCVE@dailycve39d
Disclosure
🟠 #Windows DNS, Heap-based Buffer Overflow, #CVE-2026-70330 (MEDIUM) -DC-Aug2026-1598 https://dailycve.com/windows-dns-heap-based-buffer-overflow-cve-2026-70330-medium-dc-aug2026-1598/
Post summary
The tweet announces the identification of a heap‑based buffer overflow in Windows DNS, referencing CVE‑2026‑70330 with medium severity.
0000039
229 followersView on X
珈琲好き@likecoffee40d
Disclosure
Windows DNSの脆弱性情報が公開されました（CVE-2026-70330、他15件） https://jprs.jp/tech/security/2026-08-14-windows.html #%E6%8A%80%E8%A1%93%E7%B3%BB-%E8%B3%87%E6%96%99 #feedly
Post summary
The post announces that Windows DNS vulnerability CVE-2026‑70330, along with 15 other vulnerabilities, has been publicly disclosed by JPRS. No PoC, exploit, patch, or active exploitation details are provided.
0000057
1.5K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds46d
General
CVE-2026-70330 Heap-Based Buffer Overflow in Windows DNS Enables Local Privilege Escalation https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-70330
Post summary
The text announces CVE-2026-70330 as a heap-based buffer overflow in Windows DNS with a local privilege escalation vector, but lacks further details such as PoC, exploit code, or remediation steps.
00000112
4.1K followersView on X

CPE platform detail24 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

24 of 24 entries

Part	Vendor	Product	Version	Target SW	Target HW
OS	microsoft	windows_10_1607	-	-	x64
OS	microsoft	windows_10_1607	-	-	x86
OS	microsoft	windows_10_1809	-	-	x64
OS	microsoft	windows_10_1809	-	-	x86
OS	microsoft	windows_10_21h2	-	-	arm64
OS	microsoft	windows_10_21h2	-	-	x64
OS	microsoft	windows_10_21h2	-	-	x86
OS	microsoft	windows_10_22h2	-	-	arm64
OS	microsoft	windows_10_22h2	-	-	x64
OS	microsoft	windows_10_22h2	-	-	x86
OS	microsoft	windows_11_23h2	-	-	arm64
OS	microsoft	windows_11_23h2	-	-	x64
OS	microsoft	windows_11_24h2	-	-	arm64
OS	microsoft	windows_11_24h2	-	-	x64
OS	microsoft	windows_11_25h2	-	-	arm64
OS	microsoft	windows_11_25h2	-	-	x64
OS	microsoft	windows_11_26h1	-	-	arm64
OS	microsoft	windows_11_26h1	-	-	x64
OS	microsoft	windows_server_2012	-	-	-
OS	microsoft	windows_server_2012	r2	-	-
OS	microsoft	windows_server_2016	-	-	-
OS	microsoft	windows_server_2019	-	-	-
OS	microsoft	windows_server_2022	-	-	-
OS	microsoft	windows_server_2025	-	-	-

Explore more

Back to dashboard microsoft CVEs windows_10_1607 vulnerabilities

What researchers are saying

CVE-2026-70330

Yasuhiro Morishita[verified]@OrangeMorishitaDisclosure

The post announces that 16 Windows DNS vulnerabilities, including CVE-2026-70330, have been publicly disclosed and lists a link to the detailed advisory.

珈琲好き[verified]@likecoffeeDisclosure

The post announces that Windows DNS vulnerability CVE-2026‑70330, along with 15 other vulnerabilities, has been publicly disclosed by JPRS. No PoC, exploit, patch, or active exploitation details are provided.

日本レジストリサービス（JPRS）@JPRS_officialGeneral

The text announces that vulnerability information for CVE-2026-70330 and related issues has been released, but provides no further details.

DailyCVE@dailycveDisclosure

The tweet announces the identification of a heap‑based buffer overflow in Windows DNS, referencing CVE‑2026‑70330 with medium severity.

Vulmon Vulnerability Feed@VulmonFeedsGeneral

The text announces CVE-2026-70330 as a heap-based buffer overflow in Windows DNS with a local privilege escalation vector, but lacks further details such as PoC, exploit code, or remediation steps.